CVE WATCH / VULNERABILITY DETAIL
CVE-2026-120216
MEDIUMCVSS 5.9NVD feed
Published 2 November 2026 · tracked since 2 November 2026
Description
fastify is a web framework for Node.js. In versions 5.8.0 through 5.12.7, when the server is configured with a nonzero handlerTimeout and a route returns a streaming response, a request whose stream has already sent its headers but stays open past the timeout crashes the server. When the timeout fir
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog