PatchTheCVEfastify-static vulnerabilities and fixes
Recent CVEs affecting fastify-static, with upgrade or downgrade steps. 3 tracked.
Also searched as: fastify static.
fastify-static has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-08-06. Highest priority: CVE-2026-18427 (score 44/100).
- CVE-2026-18427 HIGH 7.5 UPGRADE @fastify/static before version 10.1.3 contains an incomplete fix for a previous route guard bypass
- CVE-2026-7120 MEDIUM 5.3 UPGRADE @fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate path separato
- CVE-2026-15074 HIGH 7.5 UPGRADE @fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames
FAQ
How do I fix fastify-static vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is fastify-static being exploited right now?
None of the tracked fastify-static CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which fastify-static CVE should I patch first?
CVE-2026-18427 currently ranks highest (44/100): @fastify/static before version 10.1.3 contains an incomplete fix for a previous route guard bypass.