CVE-2026-25949 – Traefik: TCP readTimeout bypass via STARTTLS on Postgres

CVE ID : CVE-2026-25949

Published : Feb. 12, 2026, 8:01 p.m. | 26 minutes ago

Description : Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.8, there is a potential vulnerability in Traefik managing STARTTLS requests. An unauthenticated client can bypass Traefik entrypoint respondingTimeouts.readTimeout by sending the 8-byte Postgres SSLRequest (STARTTLS) prelude and then stalling, causing connections to remain open indefinitely, leading to a denial of service. This vulnerability is fixed in 3.6.8.

Severity: 0.0 | NA

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