Claude Opus 4.7 Used to Discover Critical API Flaw in Major Ticketing Platform

Forensic Summary

Security researcher Ian Carroll leveraged Anthropic's Claude Opus 4.7 to identify a critical vulnerability in Front Gate Tickets—a Live Nation subsidiary handling ticketing for major US festivals—that granted super-administrator access and the ability to freely issue tickets of any value. The case demonstrates LLM-assisted autonomous vulnerability discovery at scale, with Carroll noting the AI could likely have completed the full exploit chain without human intervention. Front Gate patched the flaw within 24 hours of disclosure, confirming no evidence of prior exploitation.

Read the full technical deep-dive on Grid the Grey: https://gridthegrey.com/posts/claude-opus-4-7-used-to-discover-critical-api-flaw-in-major-ticketing-platform/