[Bug] Anthropic API Error: Overly Aggressive Content Filtering on Legitimate Cybersecurity Development Work

Status Open
Reported on v2.1.197
Maintainer reply None cached
Activity 0 comments · opened Aug 19, 2026

Bug Description
Why does Fable 5 keep displaying the message “Fable 5’s security measures have flagged this message”? We aren’t engaging in any illegal activities. We’re conducting business related to cybersecurity. We’re developing products. If this continues, we’ll have to stop using Claude it won’t be of any use to us.

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.197
  • Feedback ID: a27b4d0d-32e9-4d4a-9837-89290f0ed9f3

Errors

[]

View original on GitHub ↗