Researcher demonstrates Claude Opus exploit against major US music festival ticketing system

According to Wired, security researcher Ian Carroll used Claude Opus 4.7 in April 2026 to discover an exploit in Front Gate Tickets' website that allowed him to gain full administrator access and freely issue tickets for any event. Front Gate handles ticketing for major US festivals including Lollapalooza, South by Southwest, and Austin City Limits, and the vulnerability exposed access to millions of customer and staff records.