What is GHSA-378g-rwj7-qp6j?

GHSA-378g-rwj7-qp6j is a security advisory published by GitHub Security Advisories with High severity. Traefik v3.7.0 before v3.7.14 contains an improper authentication vulnerability in the Kubernetes...

Which CVE IDs does GHSA-378g-rwj7-qp6j cover?

GHSA-378g-rwj7-qp6j covers the following CVE IDs: CVE-2026-114638. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-378g-rwj7-qp6j?

GHSA-378g-rwj7-qp6j has a CVSS v3 base score of 8.7, published by GitHub Security Advisories.

GHSA-378g-rwj7-qp6jHighCVSS 8.7

Traefik v3.7.0 before v3.7.14 contains an improper authentication vulnerability in the Kubernetes...

Vendor

GitHub Security Advisories

Published

October 22, 2026

Last Modified

October 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-114638 →

📋 Description

Traefik v3.7.0 before v3.7.14 contains an improper authentication vulnerability in the Kubernetes Ingress NGINX provider that merges client CAs when auth-tls-secret names collide after dot-to-dash normalization. Attackers holding certificates from another host's CA can access a host requiring its own client CA, while that host's legitimate clients are refused.

🔗 References (4)

https://github.com/traefik/traefik/security/advisories/GHSA-rv2h-qh7j-xrjw
https://nvd.nist.gov/vuln/detail/CVE-2026-114638
https://www.vulncheck.com/advisories/traefik-3.7.0-before-3.7.14-client-ca-mix-up-via-auth-tls-secret-name-collision
https://github.com/advisories/GHSA-378g-rwj7-qp6j