CVE-2026-61500 is a critical authentication bypass in Rejetto HTTP File Server, discovered by Anthropic Mythos AI and exploited within 24 hours of public disclosure by a China-linked actor targeting ...
Horizon3.ai researchers used Anthropic's Mythos model to find a cryptographic weakness in Rejetto HTTP File Server (HFS), tracked as CVE-2026-61500. The flaw lets an unauthenticated attacker forge ...
Rejetto HFS CVE-2026-61500 faces exploitation attempts after a public PoC showed forged admin sessions can lead to remote code execution.