PatchTheCVEfastify\/middie vulnerabilities and fixes
Recent CVEs affecting fastify\/middie, with upgrade or downgrade steps. 1 tracked.
fastify\/middie has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-09-04. Highest priority: CVE-2026-85184 (score 48/100).
- CVE-2026-85184 CRITICAL 9.1 UPGRADE @fastify/middie versions >= 9.1.0 and before 9.3.4 decide whether to run path-scoped middleware by matching ag
FAQ
How do I fix fastify\/middie 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\/middie being exploited right now?
None of the tracked fastify\/middie CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which fastify\/middie CVE should I patch first?
CVE-2026-85184 currently ranks highest (48/100): @fastify/middie versions >= 9.1.0 and before 9.3.4 decide whether to run path-scoped middleware by matching ag.