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18 SEP 2026 · Hacker News · 439 pts · 187 comments ↗

Hacktron researchers discovered two vulnerabilities, a heap buffer overflow in libheif Opus 5 and an SSO misconfiguration in OpenAI's identity infrastructure, which allowed them to compromise multiple OpenAI employees' ChatGPT accounts and access internal OpenAI repositories. The vulnerabilities were exploited using a proof-of-concept (PoC) exploit script, which demonstrated the potential for exploitation. AI summary

17 SEP 2026 · Hacker News · 32 pts · 11 comments ↗