vulnerability

Anthropic's super bug-hunting model Mythos is hardcore good at math, as latest vuln under attack shows

Oct 3, 2026 · The Register

CriticalCVSS 9.8Exploited

Summary

Anthropic's Mythos bug-hunting model successfully identified and exploited a critical vulnerability (CVE-2026-61500) in Rejetto HTTP File Server (HFS). The vulnerability stems from a flawed random number generator in HFS, allowing attackers to forge session cookies and achieve remote code execution.

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Also covered by 3 other source(s)

Attackers Target Rejetto HFS Flaw That Enables Admin Session Forgery and RCE · The Hacker News · 5d ago
Exploitation Hits Rejetto HFS Vulnerability Discovered by AI · SecurityWeek · 5d ago
Anthropic Expands Claude Access for Vetted Cyber Teams as Glasswing Finds 129,000 Flaws · The Hacker News · 3d ago

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Anthropic's super bug-hunting model Mythos is hardcore good at math, as latest vuln under attack shows

Also covered by 3 other source(s)