Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws
Three Hacktron researchers used Anthropic's Claude Opus 5 to chain a libheif image-decoding flaw in OpenAI's Discourse help forum (CVE-2026-32882) with a weakness in OpenAI's single sign-on, taking over the ChatGPT and Codex accounts of several OpenAI...