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.

INFO

Published Date :

2026-02-12T20:01:19.600Z

Last Modified :

2026-02-12T21:16:17.659Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25949 vulnerability.

Vendors Products
Traefik
  • Traefik
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25949.

URL Resource
https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678 cve-icon cve-icon cve-icon
https://github.com/traefik/traefik/releases/tag/v3.6.8 cve-icon cve-icon cve-icon
https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-25949 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-25949 cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact