[Bug] Opus 4.8 cyber safeguards block benign "verifica" request after model switch

Status Open
Reported on v2.1.296
Maintainer reply None cached
Activity 0 comments · opened Oct 11, 2026

Bug Description
vrs-main-pc:~/proiect-ai-lab$ claude ▐▛███▛█ Claude Code v2.1.296 ▝▜██████▀ Opus 4.8 · Claude Max ▝▝ ▝▝ ~/proiect-ai-lab ❯ /model ⎿ Set model to Fable 5.1 and saved as your default for new sessions .claude/settings.json pins Opus 4.7 — that applies on restart ❯ verifica ● Fable 5.1's safeguards stopped the response above · continuing once with that noted ● 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 and cybersecurity tasks. Switched to Opus 4.8. Send feedback with /feedback or learn more 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_011CfvkmasGuSXzEBWaSMqdq Message ID: msg_011Cfvkmb6QsfWce3ZpeLFGb

Environment Info

  • Platform: linux
  • Terminal: gnome-terminal
  • Version: 2.1.296
  • Feedback ID: b0f67cc5-0db4-48bf-b2ed-ed1002fb58fa

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