Security/demo/2026-10-01

Anthropic Mythos AI discovers critical Rejetto HFS vulnerability now under active exploitation

Anthropic's Mythos AI model identified a critical vulnerability in Rejetto HFS software. This flaw, which allows attackers to forge admin sessions and execute code, is reportedly now being actively exploited. The discovery highlights the model's capability in identifying security vulnerabilities.

3 articles from 3 outlets covered this story. The underlying claim is sourced from a demo.

What do all outlets agree on?

3 outlets covered “Anthropic Mythos AI discovers critical Rejetto HFS vulnerability now under active…”. All of them report the following:

  • Anthropic's Mythos AI model discovered a vulnerability
  • The vulnerability is in Rejetto HFS software
  • The vulnerability is now being actively exploited by attackers

Which outlets covered this?

All 3 articles found on this story, grouped by the stance of the piece. Every link goes to the original publisher.

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Which companies does this involve?

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