Views
43

Your rating
Rate update installation process

Log in to rate this update.
Login

Risk factor
A total of 1 users have rated this update.

Smooth installs 100%
Minor issues 0%
Major issues 0%

Update Summary

Anthropic suspended access to Claude Fable 5 and Claude Mythos 5 after a US government export control directive. The statement says the action was taken for compliance, cites a suspected narrow jailbreak, and notes other Anthropic models are unaffected.

Update Details

Security

  • The statement references a suspected jailbreak of Fable 5 and mentions previously known, minor vulnerabilities.
  • Anthropic says no universal jailbreak has been found and that the reported technique appears narrow and non-universal.
  • The company describes its defense in depth safeguards and monitoring as part of its security posture.

Known Issues

  • Access to Claude Fable 5 and Claude Mythos 5 is suspended for all users.
  • The statement says the government directive did not provide specific details of the national security concern.
  • Anthropic says it has not received a disclosure of a harmful non-universal jailbreak.

Hints

  • Access to all other Anthropic models is stated to remain unaffected.
  • Anthropic says it is complying with the legal directive and working to restore access as soon as possible.
  • The statement notes a 30-day retention policy for customer data with Fable to help research and mitigate jailbreaks.
Product Information

Vendor: Anthropic

Product: Claude

Product type: Other

Application category: Business

Platform: Web

Vendor release date: Jun 12, 2026

Published on updatealert.io: Jun 13, 2026

Description: AI assistant for drafting, analysis, coding, and enterprise workflows.