Security Pause your Mythos panic because mainstream models anyone can use already pick holes in popular software Anthropic withheld its Mythos bug-finding model from public release due to concerns that it would enable attackers to find and exploit vulnerabilities before anyone could react. But the company's Opus 4.6 model, already superseded by the release of Opus 4.7 on Thursday, is capable of developing functional exploit code. In a blog post on Wednesday, Mohan Pedhapati (s1r1us), CTO of Hacktron, described how he used Opus 4.6 to create a full exploit chain targeting the V8 JavaScript engine in Chrome 138, which is bundled into current versions of Discord. "The V8 [out of bounds error] we used was from Chrome 146, the same version Anthropic's own Claude Desktop is running," he said. "A week of back and forth, 2.3 billion tokens, $2,283 in API costs, and about ~20 hours of me unsticking it from dead ends.…