traefik -- TCP readTimeout bypass via STARTTLS on Postgresentered 2026-02-14
no CVE referenced
CVE details
CVE-2026-25949
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.
Affected ports (0)
No port is within the affected range.