CVE WATCH / VULNERABILITY DETAIL
CVE-2026-117518
HIGHCVSS 8.2NVD feed
Published 2 November 2026 · tracked since 2 November 2026
Description
@fastify/reply-from is a Fastify plugin that forwards requests to an upstream HTTP server. In versions up to and including 12.8.0, the plugin validated proxy paths against forward-slash dot-segments only and then built the target with the WHATWG URL parser, which normalizes a backslash and its perce
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog