PatchTheCVEquic-go vulnerabilities and fixes
Recent CVEs affecting quic-go, with upgrade or downgrade steps. 1 tracked.
Also searched as: quic go.
quic-go has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-04. Highest priority: CVE-2026-40898 (score 32/100).
- CVE-2026-40898 MEDIUM 5.3 UPGRADE quic-go is an implementation of the QUIC protocol in Go
FAQ
How do I fix quic-go 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 quic-go being exploited right now?
None of the tracked quic-go CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which quic-go CVE should I patch first?
CVE-2026-40898 currently ranks highest (32/100): quic-go is an implementation of the QUIC protocol in Go.