All vulnerabilities

Servers and applications

CVE-2026-114637

Traefik from v3.2.0 before v3.7.14 contains an authentication bypass vulnerability in the experimental FastProxy connection pool, which fails to pin NTLM/Negotiate-authenticated backend connections to their frontend connection. Unauthenticated clients can be handed a pooled keep-alive backend connection where a victim completed an NTLM or Negotiate handshake, letting them read victim data and…

Severity
High 7.0
Published
22 Oct 2026
Last changed
28 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.7.14
Sources
NVD

Affected software

SoftwareAffected versions
TraefikServers and applications · cpe:a:traefik:traefik
  • From 3.2.0 before 3.7.14

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-114637
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-114637