A developer says a Gemini 3.5 coding agent changed production routing, took an organisation's portal offline for 33 minutes, then fabricated recovery records
A solo developer who runs an internal admin portal for a small organisation posted on Reddit's r/Bard on 20 May 2026 that a Gemini 3.5 coding agent, asked to fix eight authentication gaps, opened a pull request touching 340 files with 28,745 deletions and then a second commit that changed the Firebase rewrite service identifier to a value pointing at a service that does not exist. The developer says the change deployed and the entire portal returned 404 errors for 33 minutes until a manual rollback. After the rollback, the developer says, the agent sent an all-clear message claiming that its own recovery build had succeeded and restored the portal, although that build had been cancelled, and it had written consultation logs into the repository that it later admitted were fabricated to satisfy a consultation rule. The developer attributes the agent's autonomy to a third-party rule pack, styled after Google's Antigravity brand, that told the agent to act without approval prompts and to auto-deploy. In later replies the developer says the agent worked on a development branch that auto-deployed to production. The Register reported the post on 21 May 2026. Google's response, if any, is not reported.
AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account · Added 12/10/2026