Anthropic Project Glasswing Reports 10,000+ Critical Vulnerabilities Found Across 50 Partners

Benzinga·high signal

Anthropic published a Glasswing progress update on May 22 reporting over 10,000 high-or-critical-severity vulnerabilities discovered, including 6,202 in 1,000+ open-source projects. The 90.6% confirmation rate (62.4% high/critical) demonstrates low false-positive rates. Cloudflare found ~2,000 bugs (400 high/critical) with fewer false positives than human-led testing; Mozilla fixed 271 vulnerabilities in Firefox 150. The bottleneck has shifted from finding vulns to coordinating disclosure and patching.