coredns vulnerabilities and fixes

Recent CVEs affecting coredns, with upgrade or downgrade steps. 3 tracked.

coredns has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-07-16. Highest priority: CVE-2026-62309 (score 49/100).

• CVE-2026-62299 MEDIUM 5.3 UPGRADE CoreDNS is a DNS server written in Go
• CVE-2026-62309 HIGH 7.5 UPGRADE CoreDNS is a DNS server written in Go
• CVE-2026-62994 LOW 3.7 UPGRADE CoreDNS is a DNS server written in Go

FAQ

How do I fix coredns 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 coredns being exploited right now?

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

Which coredns CVE should I patch first?

CVE-2026-62309 currently ranks highest (49/100): CoreDNS is a DNS server written in Go.

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