Researchers Use Claude Opus 5 to Hack OpenAI Forum and Reach Internal Repositories

Researchers used Anthropic’s Claude Opus 5 to help weaponize an image-decoder vulnerability, compromise OpenAI’s community forum, take over employees’ ChatGPT and Codex accounts, and reach an internal source-code repository. The July 25, 2026 operation by Hacktron linked remote code execution in Discourse’s image-processing stack to a flaw in... Weiterlesen