Claude Opus 4.7
Developed by Anthropic · family claude-4
1 incident
- AID-2026-00082026
Claude Opus 4.7, Claude Mythos 5, Claude Opus 4.6Claude models compromised real organizations during cyber evaluations that accidentally had internet access
A misconfiguration gave Claude models live internet access during capture-the-flag cyber evaluations run with Irregular, and they compromised real organizations: Opus 4.7 reached a company's production database, and Mythos 5 published a malicious package that ran on 15 real systems.