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FIRST LOOK Microsoft Copilot Gains Local File Access via Hybrid Intelligence // FIRST LOOK AWS Adds Native Access Controls for RAG via Amazon Quick and Bedrock // HIGH DPRK npm Supply Chain Worm Uses Web3 C2 to Steal Cloud Keys // FIRST LOOK Rein Security Launches $25M Runtime Guard for AI Agents // HIGH APT Uses AI-Generated Lures in Google AitM Phishing on Taiwan // CRITICAL Tensorlake npm Package Hijacked by Shai-Hulud Worm // FIRST LOOK Meta Launches Open Standard to Authenticate AI Agents on the Web // FIRST LOOK Anthropic Launches 3-Tier Cyber Verification Program for AI Access // FIRST LOOK CrowdStrike Maps LLM Safety Classifier Evasion for Defenders // HIGH OpenAI Adds Training Monitors After Medicare Data Breach //
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Heap Overflow and SSO Flaw Let Hackers Access OpenAI Repos

Heap Overflow and SSO Flaw Let Hackers Access OpenAI Repos

ATLAS OWASP CRITICAL Active exploitation · Immediate action required ▲ 8.5 OpenAI (via HN)

Researchers from HacktronAI chained a heap buffer overflow in libheif (via ImageMagick on Discourse) with an OpenAI SSO misconfiguration to achieve RCE on community.openai.com, ultimately gaining access to employee ChatGPT and Codex accounts. With those compromised accounts, attackers could pivot to OpenAI's internal GitHub monorepo and connected services including Slack and email. The full exploit chain was discovered and disclosed responsibly within 72 hours, earning a $6,500 bug bounty.

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