Traefik vulnerabilities and fixes

CVEs that mention Traefik, ranked by priority. 4 tracked.

Traefik has 4 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 4. Most recent: 2026-10-22. Highest priority: CVE-2026-114638 (score 42/100).

• CVE-2026-114638 HIGH 8.7 Traefik v3.7.0 before v3.7.14 contains an improper authentication vulnerability in the Kubernetes Ingress NGIN
• CVE-2026-114642 HIGH 8.7 Traefik 2.11.0 before 2.11.58 and 3.0.0 before 3.7.14 stores its NTLM/Kerberos backend round tripper in a clie
• CVE-2026-65600 MEDIUM 5.3 UPGRADE Traefik versions <= v2.11.51, >= v3.6.0 <= v3.6.22, and >= v3.7.0 <= v3.7.6 contain an authentication bypass v
• CVE-2026-112778 HIGH 8.8 UPGRADE Traefik before 2.11.46, 3.x before 3.6.17, and 3.7.0 lack namespace validation for Ingress and Service annotat

FAQ

How do I fix Traefik 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 Traefik being exploited right now?

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

Which Traefik CVE should I patch first?

CVE-2026-114638 currently ranks highest (42/100): Traefik v3.7.0 before v3.7.14 contains an improper authentication vulnerability in the Kubernetes Ingress NGIN.

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