AI SAFETY & DISCLOSURE // CODING AGENTS
Anthropic Tests Reveal Weaknesses in AI Coding-Agent Security Monitors
Anthropic's red-team research found substantial bypass success against the blocking monitors used in Claude Code's Auto Mode and in OpenAI's Codex, the Guardian variant tested being an approximation of Codex's production default. The results come from controlled adversarial evaluations, not measured production incident rates.
SOURCE PUBLISHED October 22, 2026
EVIDENCE FILE PUBLISHED · Evidence File