fastify\/oauth2 vulnerabilities and fixes

Recent CVEs affecting fastify\/oauth2, with upgrade or downgrade steps. 1 tracked.

fastify\/oauth2 has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-08-15. Highest priority: CVE-2026-18165 (score 15/100).

• CVE-2026-18165 MEDIUM 4.2 UPGRADE @fastify/oauth2 is an OAuth 2.0 plugin for Fastify

FAQ

How do I fix fastify\/oauth2 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\/oauth2 being exploited right now?

None of the tracked fastify\/oauth2 CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which fastify\/oauth2 CVE should I patch first?

CVE-2026-18165 currently ranks highest (15/100): @fastify/oauth2 is an OAuth 2.0 plugin for Fastify.

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