How a libheif RCE and SSO flaw chained from image upload to OpenAI internal access

TechNadu · x · 2026-09-18

Follow-up on the OpenAI intrusion: researchers detailed how they combined a libheif RCE with an SSO weakness, progressing from a single image upload to internal OpenAI access. Flaws were responsibly disclosed and patched.

Related event: Three Hacktron Researchers Breach OpenAI's Internal Systems Using Claude Opus 5(59 posts)→

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