Claude Mythos 5 — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
June 19, 2026
Last Seen
September 2, 2026

Related Threat Clusters

  • Pentagon Pressures Anthropic on Military Use of AI Technology

    The U.S. Department of Defense, led by Secretary Pete Hegseth, met with Anthropic CEO Dario Amodei to discuss the military use of the AI model Claude. The Pentagon is considering labeling Anthropic a 'supply chain risk'…

    74 articles · Updated February 25, 2026
  • HackerOne Discovers Critical RCE Vulnerability Using AI

    HackerOne has identified and patched a critical remote code execution (RCE) vulnerability in its production environment, which was detected by Anthropic's Claude Mythos 5 AI model during a 30-day experiment under…

    2 articles · Updated September 2, 2026

Recent Intelligence Reports

  • Mythos helps bug bounty firm find critical hidden RCE — Computerweekly · September 2, 2026
  • Trump: No longer considers Anthropic a national security threat — Bitget · June 20, 2026
  • White House Negotiates AI Security Rules with Anthropic | Let's Data Science — Letsdatascience · June 19, 2026

CVSS v3.1 Breakdown