[Bug] Anthropic API Error: Sonnet 5 Cyber Safeguards Flagging Legitimate Requests

Status Open
Reported on v2.1.263
Maintainer reply None cached
Activity 0 comments · opened Sep 11, 2026

Bug Description
● API Error: Sonnet 5'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_011CevZTwn7CFgz4jo511Fmb

Environment Info

  • Platform: linux
  • Terminal: xterm-256color
  • Version: 2.1.263
  • Feedback ID: 02c6302b-7cae-4cb2-8ae8-bc2beedf764f

Errors

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