Post #23492 137 Sep 30, 2026, 15:07 UTC Tales from the Trenches: Anthropic’s Mythos and Rejetto HFShttps://horizon3.ai/attack-research/disclosures/anthropic-mythos-rejetto-hfs-rce/@secharvester Horizon3 Anthropic Mythos Finds Rejetto HFS RCE See how Horizon3 used Anthropic’s Mythos to uncover a Rejetto HFS cryptographic flaw, forge admin sessions, and achieve remote code execution.