UpHeron
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Servers and applications

CVE-2026-121966

Traefik before 2.11.60 and 3.7.16 ForwardAuth NTLM/Negotiate Identity Leak

Severity
High 7.0
Published
4 Nov 2026
Last changed
4 Nov 2026
Added to UpHeron
4 Nov 2026
Fixed in
2.11.60, 3.7.16
Sources
CVE Program

Affected software

SoftwareAffected versions
TraefikServers and applications · cna:traefik|traefik
  • Every version before 2.11.60
  • From 3.0.0 before 3.7.16

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-121966