What is GHSA-q9pf-jh7g-83mc?

GHSA-q9pf-jh7g-83mc is a security advisory published by GitHub Security Advisories with Medium severity. Traefik 2.11.x before 2.11.58 and 3.x before 3.7.14 contains a race condition in NTLM and...

Which CVE IDs does GHSA-q9pf-jh7g-83mc cover?

GHSA-q9pf-jh7g-83mc covers the following CVE IDs: CVE-2026-114641. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q9pf-jh7g-83mc?

GHSA-q9pf-jh7g-83mc has a CVSS v3 base score of 3.7, published by GitHub Security Advisories.

GHSA-q9pf-jh7g-83mcMediumCVSS 3.7

Traefik 2.11.x before 2.11.58 and 3.x before 3.7.14 contains a race condition in NTLM and...

Vendor

GitHub Security Advisories

Published

October 22, 2026

Last Modified

October 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-114641 →

📋 Description

Traefik 2.11.x before 2.11.58 and 3.x before 3.7.14 contains a race condition in NTLM and Kerberos (Negotiate) backend authentication, where the per-connection sticky round tripper slot is read and written without synchronization. Remote attackers can send concurrent HTTP/2 or HTTP/3 requests over one connection to orphan backend connections, break connection-bound authentication, or crash Traefik.

🔗 References (4)

https://github.com/traefik/traefik/security/advisories/GHSA-mhjw-hmjv-p99x
https://nvd.nist.gov/vuln/detail/CVE-2026-114641
https://www.vulncheck.com/advisories/traefik-before-2.11.58-and-3.7.14-race-condition-in-ntlm-kerberos-round-tripper
https://github.com/advisories/GHSA-q9pf-jh7g-83mc