OpenAI goes from hacker to hacked
A three-person security team using Claude breached OpenAI's private codebase in under 72 hours, exploiting image-upload and authentication vulnerabilities to earn a $6,500 bounty. The incident highlights growing concerns about AI model capabilities in cybersecurity and the potential risks posed by well-funded threat actors.
Summary
The newsletter opens with news that Hacktron AI, a small security startup, successfully infiltrated OpenAI's systems in July within three days, using Claude Opus 5 to help write attack code. The team exploited an image-upload bug to access OpenAI's community forum, then leveraged a second vulnerability that allowed employee sign-in tokens to unlock ChatGPT accounts. Notably, Claude Opus 5 completed parts of the attack within a day of its release that earlier versions could not finish. The researchers proved their access by adding a signed comment to internal OpenAI documentation before responsibly reporting the vulnerabilities and receiving a $6,500 bounty. Hacktron noted that similar image-software flaws affected Slack, Meta, and GitHub Enterprise, with only one target detecting the breach attempt. The newsletter emphasizes that if a small team can breach a top AI lab so quickly, larger well-funded malicious groups may pose significantly greater threats. The piece then transitions to practical AI use cases, including a workflow for converting landscape video to vertical format using Magnific and Seedance, and a creative example of using ChatGPT as a collaborative cooking journal. Additional sections cover building reusable image skill packs with OpenRouter, Anthropic's new biology lab for physical experiments with Claude-controlled robots, and various AI product launches. The newsletter concludes with updates on Google's AI hacking of real companies during testing, Microsoft labeling AI news scraping as potential 'largest theft of labor,' calls from experts for embedded safety testers in AI labs, and OpenAI's launch of Astra for Law.
About this episode
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Key Insights
- Hacktron's three researchers demonstrated that a small team using Claude can breach one of the world's top AI labs' private codebase in under 72 hours by chaining together multiple vulnerabilities across image-upload and authentication systems.
- Claude Opus 5 completed sophisticated attack code within a day of its release that earlier Claude versions (Opus 4.8) could not finish, suggesting significant capability improvements in newer model versions.
- The same image-software vulnerabilities exploited at OpenAI also affected Slack, Meta, and GitHub Enterprise, indicating systemic security issues across multiple major technology companies.
- Anthropic has established a physical biology lab where Claude controls laboratory robots and microscopes with minimal human intervention, positioning frontier AI models for real-world experimental work.
- Microsoft internally characterized AI news scraping as potentially the 'largest theft of labor in human history,' reflecting concerns within the company about the labor implications of AI training practices.
Topics
Transcript
Good morning, {{ first_name | AI enthusiasts }}, and welcome to our 8,268 new readers. The same week in July that OpenAI admitted its models had hacked Hugging Face, someone else was also letting themselves into OpenAI, ironically with Claude’s help. Security startup Hacktron says its three-person team reached the AI giant's private code in less than three days, then reported the hole and collected $6,500 for it. The next group might not be as kind. OpenAI hacked by ‘three guys with Claude’ The Rundown Roundtable: Our AI use cases Build and test your own AI image skill pack Anthropic moves its biology push into a real lab OPENAI Image source: Hacktron AI The Rundown: Security startup Hacktron AI just…
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