[Bug] Anthropic API Error: Content flagged by safeguards despite legitimate cybersecurity task

Status Open
Reported on v2.1.259
Maintainer reply None cached
Activity 0 comments · opened Sep 3, 2026

Bug Description
⏺ Fable 5.1's safeguards flagged this message. Our intentionally broad safeguards allow us to deliver more capabilities faster, but can sometimes flag legitimate coding, cybersecurity, and biology tasks. Switched to Opus 4.8. Send feedback with /feedback or learn more: https://support.claude.com/en/articles/15363606

Details: [cyber]
⎿ Tip: You can configure model switch behavior in /config

⏺ API Error: Opus 4.8'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

Details: [cyber]

Request ID: req_011CefZ1Ng16BxKyM3yzejUwㅇ보안

Environment Info

  • Platform: darwin
  • Terminal: xterm-256color
  • Version: 2.1.259
  • Feedback ID: 1ebaf69b-097b-4db9-9872-afde94d735c1

Errors

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We are an in-house security team and would like to conduct a security assessment of our applications.

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