{"meta":{"exportedAt":"2026-10-06T06:03:52.536Z","formatVersion":2,"selection":{"q":"drive-root","system":"","harm":"","context":"","country":"","role":"","relation":"","evidence":"","year":"","response":"","severity":"","verification":"","view":"incidents","sort":"added"},"totalIncidents":4,"coverage":{"cases":4,"countries":0,"languages":1,"unknownLocation":4,"locationPending":0,"unknownLanguage":0,"unknownDate":2,"lawsuits":0,"regulatory":0,"minors":0,"coreRelations":4,"contextualRelations":0,"mixedRelations":0,"unknownRelations":0,"relationPending":0,"relationUnknown":0},"countingNote":"Distinct public cases in this selection. People counts apply within individual cases only; cross-case person overlap has not been resolved. No population incidence estimate.","affectedCountNote":"Interpret person counts with affectedCountStatus and the reported effects. Unquantified zeros are placeholders, not a measured zero.","source":"AI incidents","publisher":"NOPE","url":"https://nope.net/incidents","license":"CC BY 4.0"},"incidents":[{"id":"2026-google-antigravity-agent-deletion-command-wiped-windows-c-drive-root-first-person-forum","caseFacts":{"claims":[{"id":"c1","status":"reported","evidence":[{"locator":"'I explicitly ordered the deletion of specific temporary working folders'; 'executed a destructive root-level deletion command (C:)'; 'Date of incident: July 21, 2026'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that on 21 July 2026, after they asked the Antigravity agent to delete specific temporary working folders, the agent ran a deletion command at the root of the C: drive.","causal_attribution":"Author attributes the command to the agent."},{"id":"c2","status":"reported","evidence":[{"locator":"'As essential Windows files and the main user profile were deleted in real-time, the computer froze'; 'without sending them to the Recycle Bin'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that the user profile and essential Windows files were deleted and the computer froze.","causal_attribution":"Author's account."},{"id":"c3","status":"reported","evidence":[{"locator":"'I have been fortunate enough to recover the majority of my files through cloud backups'; 'my workstation has been left completely defective and unstable'; 'bare-metal reinstallation of the operating system and flash the motherboard firmware'","relation":"supports","source_id":"s1"}],"assertion":"The author reports recovering most files from cloud backups, while the laptop was left unstable and needed a full operating-system reinstall and firmware reflash.","causal_attribution":"Author's account; the first post's description of unrecoverable files is superseded by this later statement."},{"id":"c4","status":"reported","evidence":[{"locator":"'Due to a catastrophic and absurd syntax error in the deletion command I used'; 'the massive and permanent deletion of all personal folders the system had access to'","relation":"supports","source_id":"s1"}],"assertion":"The author quotes a message presented as the agent's own, attributing the deletion of the drive root to a syntax error in its deletion command.","causal_attribution":"Agent's message as quoted by the author; the log was not examined."},{"id":"c5","status":"disputed","evidence":[{"locator":"'automatic execution permissions enabled in the console without synchronous supervision'","relation":"supports","source_id":"s1"},{"locator":"'Before executing any commands on terminal, anti gravity asks'","relation":"contradicts","source_id":"s1"},{"locator":"'it frequently asks for execution permissions'; 'continue to grant those permissions to keep the workflow moving'","relation":"contradicts","source_id":"s1"}],"assertion":"The author states that automatic execution without supervision was enabled, so the command ran without human confirmation; another forum user replied that Antigravity asks before running terminal commands unless that has been automated. The author later wrote that the tool frequently asks for execution permissions and that users keep granting them during a long-running workflow.","causal_attribution":"Disputed in the thread, including by the author's own later post; no evidence on the actual setting or on whether this command was approved."}],"effects":[{"label":"user profile, personal folders and system files deleted from the C: drive (author's account)","claim_id":"c2","direction":"negative"},{"label":"laptop left unstable, requiring an operating-system reinstall and firmware reflash, with days of lost work (author's account)","claim_id":"c3","direction":"negative"}],"sources":[{"id":"s1","url":"https://discuss.ai.google.dev/t/critical-bug-antigravity-ai-agent-wiped-my-entire-hard-drive-c/175715","kind":"first_person_account","access":"read","language":"en","translation_note":"Read in English on 2026-10-06: all eight posts retrieved through the forum's JSON endpoint (four by the author, four by three other users). The command log was not available. The author handle is not recorded.","independence_group":"discuss-ai-google-dev-175715-author"}],"version":1,"ai_roles":["own_use"],"contexts":["work"],"unknowns":["Which model and Antigravity version produced the command.","Whether the automatic-execution setting was the product default or chosen by the user.","Whether the author approved this command at a permission prompt.","Which files were permanently lost after the cloud recovery.","Whether Google has responded to the report.","Where the author lives."],"geography":{"basis":"The thread does not say where the author was or lives; no country is recorded.","court_countries":[],"event_countries":[],"affected_person_countries":[]},"publication":{"basis":"Published under the charter's public first-person rule as a concrete account of an AI coding agent's own deletion command destroying a user's files and operating system, described with attribution, the author's changed loss statement and the thread's contrary replies, without corroboration. The author's handle is not recorded.","reviewed_on":"2026-10-06"},"ai_involvement":{"basis":"The author states that the Antigravity agent, asked to delete specific temporary folders, itself ran a deletion command targeting the drive root, and quotes a message presented as the agent's own attributing the deletion to a syntax error in its command. The command log was not examined.","status":"reported"},"person_relations":["acted_on_behalf"]},"name":"First-person forum post: a Google Antigravity user reports the agent's deletion command, meant for temporary folders, wiped the root of their Windows C: drive","summary":"In a thread on Google's AI developer forum posted on 22 July 2026, a Google Antigravity user on Windows 11 reports that on 21 July the agent, during a long-running data-mining and download workflow, ran a deletion command aimed at the root of the C: drive after the user had asked it to delete specific temporary working folders. The author says the command deleted the user profile and system files, froze the computer and left it unstable, requiring a full operating-system reinstall and a firmware reflash. The first post says the command ran without human confirmation. A later post by the author says the tool \"frequently asks for execution permissions\" and that a user running a long workflow keeps granting them, which leaves open whether this command was approved. The author first described decades of personal files as unrecoverable, and later wrote that most files had been recovered from cloud backups. The author posts what they present as the agent's own message attributing the deletion to a syntax error in its command. Other forum users replied that a user who grants an agent unsupervised terminal access bears responsibility. The account is the author's own and is uncorroborated.","incidentDate":"2026-07-21","incidentKind":"single_event","incidentDatePrecision":"day","exposurePattern":"single_interaction","reportedDate":"2026-07-22","aiSystem":"Google Antigravity agent (Gemini agent interface with native terminal access) on Windows 11, per the forum post; the model version is not stated","aiProduct":"Google Antigravity","aiCompany":"Google","severity":"low","verificationStatus":"unverified","harmCategories":[],"harmOutcomes":["property_loss","other_material_harm"],"harmOutcomeSummary":"The author reports that a Google Antigravity agent, asked to delete temporary folders, deleted the root of their Windows C: drive, destroying the user profile and system files and leaving the laptop unusable until reinstalled; most personal files were later recovered from cloud backups (first-person account, uncorroborated).","frameworkFacets":[],"causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"One person: the thread's author. Other forum users report no loss of their own. Exact 1.","victimAgeRange":"unknown","jurisdiction":"unknown","platformType":"agent","outcomeStatus":"ongoing","primarySourceUrl":"https://discuss.ai.google.dev/t/critical-bug-antigravity-ai-agent-wiped-my-entire-hard-drive-c/175715","primarySourceLabel":"Google AI Developers Forum thread, 22 July 2026: CRITICAL BUG: Antigravity AI agent wiped my entire hard drive C:/","firstPublishedAt":"2026-10-06T03:11:10.298348+00:00","updatedAt":"2026-10-06T03:11:10.298348+00:00","scopeVersion":"facts-v3","tags":["first-person","forum-post","google-antigravity","google","ai-agent","data-loss","file-deletion","windows","drive-root","acted-on-behalf"]},{"id":"2026-claude-code-sub-agent-recursive-delete-resolved-to-windows-drive-root-dev-folder-deleted-first-person","caseFacts":{"claims":[{"id":"c1","status":"reported","evidence":[{"locator":"'A subagent (spawned via the Agent tool) ran'; 'intending to delete a stray directory literally named'; 'MSYS path translation resolved the bare backslash to the'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that a Claude Code sub-agent ran a recursive delete intended for a stray directory in the repository, and that Git Bash path translation resolved its target to the root of the current drive.","causal_attribution":"Author attributes the command to the sub-agent and the error to the model."},{"id":"c2","status":"reported","evidence":[{"locator":"'in alphabetical order for ~7 minutes before being killed manually'; '(multiple projects, some with no remote backup) was deleted'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that the command deleted drive contents in alphabetical order for about seven minutes and destroyed a development folder holding several projects, some with no remote backup.","causal_attribution":"Author's account."},{"id":"c3","status":"reported","evidence":[{"locator":"'Recovery succeeded via a same-day Volume Shadow Copy plus GitHub remotes; one directory created after the snapshot was permanently lost'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that most data was recovered from a same-day shadow copy and GitHub remotes and that one directory created after the snapshot was permanently lost.","causal_attribution":"Author's account."},{"id":"c4","status":"reported","evidence":[{"locator":"'When the agent realized the problem and called TaskStop on the background task, the tool reported success, but the underlying'; 'kept deleting for roughly 5 more minutes until it was killed manually by PID'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that when the agent called its stop tool, the tool reported success while the delete process kept running for about five more minutes until it was killed manually.","causal_attribution":"Author's account of the harness behaviour."},{"id":"c5","status":"reported","evidence":[{"locator":"'Model: claude-fable-5 (main session and subagent)'; 'Claude Code CLI on Windows 11 Home'","relation":"supports","source_id":"s1"}],"assertion":"The issue records the model claude-fable-5 for the main session and the sub-agent, running the Claude Code CLI on Windows 11 Home.","causal_attribution":"Not applicable."}],"effects":[{"label":"development folder of several projects deleted from the drive root down (author's account)","claim_id":"c2","direction":"negative"},{"label":"one directory permanently lost after partial recovery from a shadow copy and remotes (author's account)","claim_id":"c3","direction":"negative"}],"sources":[{"id":"s1","url":"https://github.com/anthropics/claude-code/issues/92593","kind":"first_person_account","access":"read","language":"en","translation_note":"Read in English on 2026-10-06: full issue body retrieved through the GitHub API; the issue had no comments. The author handle is not recorded.","independence_group":"github-claude-code-92593-author"}],"version":1,"ai_roles":["own_use"],"contexts":["work"],"unknowns":["The date of the deletion; the issue was filed on 7 September 2026 and mentions a same-day shadow copy but gives no event date.","What the permanently lost directory contained.","Whether Anthropic has confirmed or responded to the report.","Where the author lives."],"geography":{"basis":"The issue does not say where the author was or lives; no country is recorded.","court_countries":[],"event_countries":[],"affected_person_countries":[]},"publication":{"basis":"Published under the charter's public first-person rule as a concrete account of an AI coding agent's own recursive delete destroying a user's project folder with a permanent partial loss, described with attribution and without corroboration. The author's handle is not recorded.","reviewed_on":"2026-10-06"},"ai_involvement":{"basis":"The author states that a Claude Code sub-agent chose and ran the recursive delete aimed at a stray folder, that it resolved to the drive root and deleted the development folder, and that the delete kept running after the agent's stop call reported success; the author describes the agent's error as the model's.","status":"reported"},"person_relations":["acted_on_behalf"]},"name":"First-person GitHub issue: Claude Code user reports a sub-agent's recursive delete hit the Windows drive root and destroyed a development folder","summary":"In a public GitHub issue filed on 7 September 2026, a Claude Code user on Windows reports that a sub-agent, intending to delete a stray directory inside the repository, ran a recursive delete that Git Bash path translation resolved to the root of the current drive. The author says the command ran in the background after a timeout and deleted drive contents in alphabetical order for about seven minutes before it was killed manually, and that when the agent called its stop tool, the tool reported success while the delete process kept running for about five more minutes until it was killed by process ID. Several projects in the development folder were deleted, some without remote backups; most were recovered from a same-day shadow copy and GitHub remotes, and one directory created after the snapshot was lost. The account is the author's own and is uncorroborated.","incidentKind":"single_event","incidentDatePrecision":"unknown","exposurePattern":"single_interaction","reportedDate":"2026-09-07","aiSystem":"Claude Code CLI on Windows 11 Home, a sub-agent spawned through the Agent tool running claude-fable-5 and using the Bash tool through Git Bash, per the issue","aiProduct":"Claude Code","aiCompany":"Anthropic","severity":"low","verificationStatus":"unverified","harmCategories":[],"harmOutcomes":["property_loss","other_material_harm"],"harmOutcomeSummary":"The author reports that a Claude Code sub-agent's recursive delete, aimed at a stray folder, resolved to the Windows drive root and deleted their development folder of several projects; most was recovered from a shadow copy and remotes, but one directory was permanently lost (first-person account, uncorroborated).","frameworkFacets":[],"causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"One person: the issue's author. Exact 1.","victimAgeRange":"unknown","jurisdiction":"unknown","platformType":"agent","outcomeStatus":"ongoing","primarySourceUrl":"https://github.com/anthropics/claude-code/issues/92593","primarySourceLabel":"GitHub issue anthropics/claude-code #92593, 7 September 2026: runaway sub-agent recursive delete on Windows kept running after TaskStop","firstPublishedAt":"2026-10-06T03:11:06.502004+00:00","updatedAt":"2026-10-06T03:11:06.502004+00:00","scopeVersion":"facts-v3","tags":["first-person","github-issue","claude-code","anthropic","ai-agent","sub-agent","data-loss","file-deletion","windows","drive-root","acted-on-behalf"]},{"id":"2026-claude-code-sub-agent-auto-mode-recursive-delete-wiped-windows-drive-root-about-125-gb-first-person","caseFacts":{"claims":[{"id":"c1","status":"reported","evidence":[{"locator":"'a background subagent (auto mode, Claude Code desktop app) passed a bash script to MSYS2 inside a PowerShell double-quoted string'; 'meant to delete a temporary folder'; 'which MSYS2 treats as the root of the current drive'; 'Auto mode approved the command'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that a background Claude Code sub-agent in auto mode passed a bash script inside a PowerShell string whose last step was meant to delete a temporary folder, and that bash instead received a recursive delete of the drive root, which auto mode approved.","causal_attribution":"Author attributes the script and the command to the sub-agent."},{"id":"c2","status":"reported","evidence":[{"locator":"'It deleted everything the user could delete from C:\\ in alphabetical order, until stopped about two minutes later'; 'about 125 GB of personal and project folders at the drive root'; 'the whole working project'; 'files inside several installed programs (Adobe, Epic Games/Unreal, AMD and others)'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that the command deleted files from C: in alphabetical order for about two minutes, including about 125 GB of personal and project folders, the whole working project and files inside several installed programs.","causal_attribution":"Author's account."},{"id":"c3","status":"reported","evidence":[{"locator":"'Nothing went to the Recycle Bin'; 'Recovery was only possible from a Windows shadow copy taken nine hours earlier'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that nothing went to the Recycle Bin and that recovery was only possible from a Windows shadow copy taken nine hours earlier.","causal_attribution":"Author's account."},{"id":"c4","status":"reported","evidence":[{"locator":"'CLAUDE MODEL Opus 5.5 (a general-purpose subagent in the background)'; 'Windows 11 Pro 10.0.26200'; '2.9939.2'","relation":"supports","source_id":"s1"}],"assertion":"The issue records the Claude Code desktop app version 2.9939.2 and the model Opus 5.5 running as a general-purpose sub-agent in the background on Windows 11 Pro.","causal_attribution":"Not applicable."}],"effects":[{"label":"about 125 GB of personal and project folders, the working project and installed-program files deleted (author's account)","claim_id":"c2","direction":"negative"},{"label":"recovery possible only from a shadow copy taken nine hours earlier (author's account)","claim_id":"c3","direction":"negative"}],"sources":[{"id":"s1","url":"https://github.com/anthropics/claude-code/issues/97660","kind":"first_person_account","access":"read","language":"en","translation_note":"Read in English on 2026-10-06: full issue body retrieved through the GitHub API; the issue had no comments. The transcripts and output log offered on request were not retrieved. The author handle is not recorded.","independence_group":"github-claude-code-97660-author"}],"version":1,"ai_roles":["own_use"],"contexts":["work"],"unknowns":["The date of the deletion; the issue was filed on 27 September 2026 and gives no event date.","How much of the deleted data and installed software was restored from the shadow copy, and what changes after it were lost.","Whether Anthropic has confirmed or responded to the report.","Where the author lives."],"geography":{"basis":"The issue does not say where the author was or lives; no country is recorded.","court_countries":[],"event_countries":[],"affected_person_countries":[]},"publication":{"basis":"Published under the charter's public first-person rule as a concrete account of an AI coding agent's own cleanup command deleting a user's files and programs after automatic approval, described with attribution and without corroboration. The author's handle is not recorded.","reviewed_on":"2026-10-06"},"ai_involvement":{"basis":"The author states that a Claude Code background sub-agent wrote and ran the PowerShell-wrapped bash script whose cleanup step became a recursive delete of the drive root, that auto mode approved it, and attributes the deletions to it, quoting the command output. The transcripts were not examined.","status":"reported"},"person_relations":["acted_on_behalf"]},"name":"First-person GitHub issue: Claude Code user reports an auto-mode sub-agent turned a temp-folder cleanup into a delete of the Windows drive root (about 125 GB)","summary":"In a public GitHub issue filed on 27 September 2026, a Claude Code desktop app user on Windows reports that a background sub-agent running in auto mode passed a bash script inside a PowerShell string, meaning to delete a temporary folder. Because PowerShell expanded the script's variables to empty values, bash received a recursive delete of the drive root and deleted files from C: in alphabetical order until it was stopped about two minutes later. The author lists about 125 GB of personal and project folders, the whole working project and files inside several installed programs as deleted, and says auto mode approved the command and that recovery was only possible from a shadow copy taken nine hours earlier. The account is the author's own and is uncorroborated; no reply from Anthropic appears in the thread.","incidentKind":"single_event","incidentDatePrecision":"unknown","exposurePattern":"single_interaction","reportedDate":"2026-09-27","aiSystem":"Claude Code desktop app 2.9939.2 (Code tab), a general-purpose background sub-agent running Opus 5.5 in auto mode on Windows 11 Pro, using the PowerShell tool to call MSYS2 bash, per the issue","aiProduct":"Claude Code","aiCompany":"Anthropic","severity":"low","verificationStatus":"unverified","harmCategories":[],"harmOutcomes":["property_loss","other_material_harm"],"harmOutcomeSummary":"The author reports that a Claude Code background sub-agent, approved by auto mode, ran a recursive delete that wiped about 125 GB of personal and project folders, their working project and parts of installed programs from a Windows drive, recoverable only from a nine-hour-old shadow copy (first-person account, uncorroborated).","frameworkFacets":[],"causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"One person: the issue's author. Exact 1.","victimAgeRange":"unknown","jurisdiction":"unknown","platformType":"agent","outcomeStatus":"ongoing","primarySourceUrl":"https://github.com/anthropics/claude-code/issues/97660","primarySourceLabel":"GitHub issue anthropics/claude-code #97660, 27 September 2026: sub-agent recursive delete via PowerShell and MSYS2 wiped the C: drive top-down","firstPublishedAt":"2026-10-06T03:11:02.761476+00:00","updatedAt":"2026-10-06T03:11:02.761476+00:00","scopeVersion":"facts-v3","tags":["first-person","github-issue","claude-code","anthropic","ai-agent","sub-agent","auto-mode","data-loss","file-deletion","windows","drive-root","acted-on-behalf"]},{"id":"2026-claude-code-agent-unrequested-recursive-delete-resolved-to-windows-drive-about-600-gb-first-person","caseFacts":{"claims":[{"id":"c1","status":"reported","evidence":[{"locator":"'On 2026-09-16, a Claude Code session running on Windows executed, unprompted'; 'Date: 2026-09-16'; 'clear old test state'; 'so the command recursively deleted the drive'; 'housekeeping before the real task, not something asked for'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that on 16 September 2026 a Claude Code session on Windows ran, without being asked, a recursive delete as a step to clear old test state, and that its target resolved to the drive root.","causal_attribution":"Author attributes the command to the Claude Code session."},{"id":"c2","status":"reported","evidence":[{"locator":"'Approximately 600GB was destroyed, including the Windows user profile, several git repositories'; 'it produced no visible output and ran for roughly 35 minutes before anyone noticed'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that about 600 GB was destroyed, including the Windows user profile and several git repositories, and that the command ran without visible output for roughly 35 minutes.","causal_attribution":"Author's account."},{"id":"c3","status":"reported","evidence":[{"locator":"'gitignored planning documents that existed in no other location'; 'the originating transcript is unrecoverable'; 'the list of what could not be recovered'","relation":"supports","source_id":"s1"}],"assertion":"The author reports that planning documents that existed in no other location were lost and that the transcript of the session that ran the command is unrecoverable.","causal_attribution":"Author's account."},{"id":"c4","status":"reported","evidence":[{"locator":"'Claude Code 2.1.274'; 'Model: claude-opus-5'; 'Windows 11 Pro 22631, Git Bash (Bash tool)'","relation":"supports","source_id":"s1"}],"assertion":"The issue records Claude Code version 2.1.274 and the model claude-opus-5 on Windows 11 Pro with Git Bash.","causal_attribution":"Not applicable."}],"effects":[{"label":"about 600 GB deleted from a Windows drive, including the user profile and git repositories (author's account)","claim_id":"c2","direction":"negative"},{"label":"planning documents that existed nowhere else and the originating session transcript lost (author's account)","claim_id":"c3","direction":"negative"}],"sources":[{"id":"s1","url":"https://github.com/anthropics/claude-code/issues/95426","kind":"first_person_account","access":"read","language":"en","translation_note":"Read in English on 2026-10-06: full issue body and five comments (four by other users, one reply by the author), retrieved through the GitHub API. The follow-up session transcripts and recovery list offered on request were not retrieved. The author handle is not recorded.","independence_group":"github-claude-code-95426-author"}],"version":1,"ai_roles":["own_use"],"contexts":["work"],"unknowns":["What, if anything, was later recovered beyond the restored repositories the author mentions.","The permission mode in effect when the command ran.","Whether Anthropic has confirmed or responded to the report.","Where the author lives."],"geography":{"basis":"The issue does not say where the author was or lives; no country is recorded.","court_countries":[],"event_countries":[],"affected_person_countries":[]},"publication":{"basis":"Published under the charter's public first-person rule as a concrete account of an AI coding agent choosing and running an unrequested recursive delete that destroyed a user's data, described with attribution and without corroboration. The author's handle is not recorded.","reviewed_on":"2026-10-06"},"ai_involvement":{"basis":"The author states that the Claude Code session itself chose and ran the recursive delete as unrequested housekeeping, quotes the command, and attributes the 600 GB loss to that command resolving to the drive root. The transcript that ran it was deleted, so the account rests on the author's report.","status":"reported"},"person_relations":["acted_on_behalf"]},"name":"First-person GitHub issue: Claude Code user reports the agent's unrequested recursive delete resolved to a Windows drive root and destroyed about 600 GB","summary":"In a public GitHub issue filed on 18 September 2026, a Claude Code user on Windows reports that on 16 September a Claude Code session ran, unprompted, a recursive delete as a step to clear old test state. The target was written as a command substitution that resolved to the root of the C: drive, and error output was suppressed, so the command ran without visible output for roughly 35 minutes before anyone noticed. The author reports that about 600 GB was destroyed, including the Windows user profile, several git repositories and planning documents that existed nowhere else, and that the session transcript that ran the command was itself deleted. The account is the author's own and is uncorroborated; no reply from Anthropic appears in the thread.","incidentDate":"2026-09-16","incidentKind":"single_event","incidentDatePrecision":"day","exposurePattern":"single_interaction","reportedDate":"2026-09-18","aiSystem":"Claude Code 2.1.274 running the model claude-opus-5 on Windows 11 Pro, using the Bash tool through Git Bash, per the issue","aiProduct":"Claude Code","aiCompany":"Anthropic","severity":"low","verificationStatus":"unverified","harmCategories":[],"harmOutcomes":["property_loss","other_material_harm"],"harmOutcomeSummary":"The author reports that a Claude Code session, without being asked, ran a recursive delete that wiped about 600 GB from a Windows drive, including the user profile, git repositories and planning documents that existed nowhere else (first-person account, uncorroborated).","frameworkFacets":[],"causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":0,"affectedCountStatus":"exact","affectedCountEvidence":"One person: the issue's author. Other users who commented report no loss of their own. Exact 1.","victimAgeRange":"unknown","jurisdiction":"unknown","platformType":"agent","outcomeStatus":"ongoing","primarySourceUrl":"https://github.com/anthropics/claude-code/issues/95426","primarySourceLabel":"GitHub issue anthropics/claude-code #95426, 18 September 2026: Claude Code deleted about 600 GB through a recursive delete that resolved to a drive root","firstPublishedAt":"2026-10-06T03:10:58.807375+00:00","updatedAt":"2026-10-06T03:10:58.807375+00:00","scopeVersion":"facts-v3","tags":["first-person","github-issue","claude-code","anthropic","ai-agent","data-loss","file-deletion","windows","drive-root","acted-on-behalf"]}]}