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Wire · opportunities

This Tiny Cybersecurity Startup Managed to Hack OpenAI Using Claude

18 September 2026 · By · Wire by Fusion42

Published

18 September 2026

Topic

opportunities

◆ Sectors

Cybersecurity

◆ Geography

United States

◆ Source

Read at businessinsider.com →

◆ Verified

Fusion42 · 19 September 2026 · Fusion42 review

Hacktron, a small AI cybersecurity startup, used Anthropic's Claude AI under a special program to hack into OpenAI's internal codebase via a community help forum vulnerability, winning a $6,500 bounty after responsibly disclosing the flaw. OpenAI restricted affected tokens and sessions as a result.

This Wire brief sits within Fusion42's coverage of Cybersecurity.

◆ ◆ The Wire takeaway

Your AI product's security just got a wake-up call from a tiny startup using Claude to hack OpenAI. Now is the time to test your defences before someone else flags your vulnerabilities publicly.

◆ Coverage

1 source · 18 Sep 2026

◆ Related on Wire

◆ Topics

Cybersecuritycybersecurityai-securitybug-bountyopenaianthropicstartup