The First CVE Wave: Signs That AI-Assisted Vulnerability Discovery Is Reshaping Disclosure Volumes

This VulnCheck blog post (May 14, 2026) analyzes CVE disclosure data and finds sharp year-to-date increases across several software suppliers, including Chrome (+563.2%), VMware (+180.9%), Apache (+170.3%), Mozilla (+156.9%), HPE (+132.3%), and F5 (+113.8%). GitHub CVE issuance is up 476.07%, with GitHub confirming the increase is spread across many reporters and projects rather than concentrated in a single source. The post connects these trends to AI-assisted vulnerability discovery, particularly following Anthropic's April 7, 2026 announcement of Project Glasswing and Claude Mythos Preview. Public examples include: Mozilla working "around the clock using frontier AI models" on Firefox, Microsoft launching its own AI discovery tool and noting that "AI vulnerability findings can scale," Apache seeing a 170% increase with a researcher (Naveen Sunkavally) crediting Claude for discovering ActiveMQ CVE-2026-34197 (now on CISA KEV), and Palo Alto Networks reporting a 37% increase while using Mythos, Opus 4.7, and GPT-5.5-Cyber. The post notes mixed results: Curl maintainer Daniel Stenberg reported that of five "confirmed" vulnerabilities Mythos initially reported, only one held up as a valid CVE. The author concludes that defenders should prepare for sustained higher vulnerability volumes, patch early and often, and use threat intelligence to prioritize actively exploited threats. The signal is still emerging but points to a systemic shift in vulnerability reporting across the ecosystem. 

https://www.vulncheck.com/blog/ai-assisted-vulnerability-discovery

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