Traefik before 2.11.58 and 3.7.13 contains an authentication bypass vulnerability that allows unauthenticated clients to skip client-certificate…
Traefik before 2.11.58 and 3.7.13 contains an authentication bypass vulnerability that allows unauthenticated clients to skip client-certificate checks because negated Host matchers are counted as served domains. Attackers can reach backends protected by RequireAndVerifyClientCert when a router rule with !Host() creates a TLS options conflict that falls back to the default options.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Product
- Squid / HAProxy / Varnish
- CVSS
- 7.5
- EPSS
- 0.002 (p5)
- Exposure class
- Edge / VPN / firewall
Why it ranks 22 (Routine)
- CVSS 7.5 high
- Exposed product class: edge / VPN / firewall
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-114656 on this site · NVD · CVE.org · Vulnpedia
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