CVE-2026-25949
CVE-2026-25949 · Traefik: TCP readTimeout bypass via STARTTLS on Postgres
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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.
CVSS 7.5 · Высокий · EPSS 0,9%
- Опубликовано
- Обновлено
Стек: web
Затронутые продукты и версии
traefik
- Версии
- < 3.6.8: Затронуто
Нет опубликованного исправления
Первоисточники
- https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w
- https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678
- https://github.com/traefik/traefik/releases/tag/v3.6.8
- https://access.redhat.com/security/cve/CVE-2026-25949
- https://bugzilla.redhat.com/show_bug.cgi?id=2439522
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25949.json
- https://access.redhat.com/errata/RHSA-2026:6192
- https://nvd.nist.gov/vuln/detail/CVE-2026-25949