CVE-2026-114639
CVE-2026-114639 · Traefik before 2.11.58 and 3.7.14 Authentication Bypass via Negotiate Connection Pool
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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 with the victim's identity.
CVSS 7.0 · Alta · EPSS 0,3% · Corrección disponible
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Pila tecnológica: web