Claude Opus 5 Used by Bug-Bounty Researchers to Compromise OpenAI Employee Accounts
Security researchers at Hacktron AI used Anthropic's Claude Opus 5 to chain two vulnerabilities — a memory bug in libheif reached through OpenAI's Discourse-powered community forum, then a follow-on flaw enabling account...
[OpenAI]
[Anthropic]
[open-weight models]
[offensive cyber capabilities]
[bug bounty]
[model capability thresholds]
Risk:
[+0.11 pp]
[2 days sooner]
AGI:
[+0.03 pp]
[1 day sooner]