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Updated 1h agoTech & Cyber

Researchers Use Claude Opus 5 to Chain Flaws Into OpenAI Access

Headline by Prism · from 1 report

Researchers exploited chained flaws in Discourse and OpenAI's login system to gain unauthorized access to internal staff accounts.

1 outlet · 1 report · EnglishOne source so far

The record

Written from the 1 report below. Nothing here is unsourced.

  • Security researchers used AI to develop an exploit that chained a memory corruption vulnerability in image processing software with an identity management flaw at OpenAI.
  • This allowed the team to take over staff accounts on OpenAI's public forum and gain temporary access to internal code repositories.
  • OpenAI has since addressed the vulnerability and rewarded the researchers with a bug bounty, with no evidence that the access was used maliciously.

What to watch next

  • Verification of the broader HEIF Heist project claims regarding other major technology companies.
  • Organizations reviewing their single sign-on trust boundaries for internal applications.
  • Further security disclosures regarding libheif image-processing vulnerabilities.

Coverage1

1 report
English national1

All filed from India

Named United States · Debian · Discourse · GitHub · libheif · OpenAI · Anthropic · Claude Opus 5 · GPT-5.6 Sol · Hacktron

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Researchers Use Claude Opus 5 to Chain Flaws Into OpenAI Access | Prism