Servers and applications
CVE-2026-114639
Traefik 2.11.0 before 2.11.58 and 3.0.0 before 3.7.14 contains an authentication bypass because a first request preauthenticated with an Authorization: Negotiate token authenticates a socket in the globally shared backend connection pool, which is never isolated. Unauthenticated attackers on separate frontend connections can be assigned that NTLM/Kerberos-bound socket and perform reads or writes…
- Severity
- High 7.0
- Published
- 22 Oct 2026
- Last changed
- 27 Oct 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 2.11.58, 3.7.14
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
TraefikServers and applications · cpe:a:traefik:traefik |
|