CVE WATCH / VULNERABILITY DETAIL
CVE-2026-121966
HIGHCVSS 8.7NVD feed
Published 4 November 2026 · tracked since 5 November 2026
Description
Traefik 2.x before 2.11.60 and 3.x before 3.7.16 sends ForwardAuth subrequests (and, in 3.7, Ingress NGINX auth-url requests) through an auth-server connection pool shared by all clients, exposing connection-bound NTLM or Negotiate authentication. An unauthenticated attacker can reuse another user's
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-54372 HIGH 8.8
- CVE-2026-121751 LOW 3.1
- CVE-2026-121746 MEDIUM 5.5
- CVE-2026-121747 MEDIUM 5.5
- CVE-2026-121748 LOW 3.6
- CVE-2026-121749 LOW 3.3
- CVE-2026-121750 LOW 3.1
- CVE-2026-121745 LOW 2.5
- CVE-2026-103002 HIGH 8.8
- CVE-2026-102280