Security Flagged on authorized Pentest

Status Open
Reported on v2.1.286
Maintainer reply None cached
Activity 1 comment · opened Oct 7, 2026

Bug Description
Am currently doing legitimate cybersecurity work. Can be seen by this organizations previous work with the opus model. We're also doing the work in a test environment.

error is API Error: Mythos 5.1's safeguards flagged this message. Our intentionally broad safeguards allow us to deliver more capabilities faster, but can sometimes flag legitimate cybersecurity work. Apply to the Cyber Verification Program to reduce these interruptions. Send feedback with /feedback or learn more: https://support.claude.com/en/articles/14604842-real-time-cyber-safeguards-on-claude

Environment Info

  • Platform: linux
  • Terminal: kitty
  • Version: 2.1.286
  • Feedback ID: 9d972c19-be80-4507-8a39-547c3fae0106

Errors

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