CVEvulnerability
CVE-2026-25949
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-02-12
- Last modified
- 2026-07-15
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-400, CWE-770
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.
Affected configurations
• traefik traefik (< 3.6.8)
Related
References
- https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678 Patch
- https://github.com/traefik/traefik/releases/tag/v3.6.8 Product, Release Notes
- https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w Patch, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:6192 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-25949 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2439522 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25949.json security.access.redhat.com