CVE-2026-25949

HIGH EPSS 45.4%
Published Feb 12, 20264mo ago · Modified Feb 20, 20264mo ago
7.5 CVSS 3.1
High
Find Similar
Published Feb 12, 2026 4mo ago
Last Modified Feb 20, 2026 4mo 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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
45.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-400 Uncontrolled Resource Consumption Resource Mgmt

Affected Products 1

VendorProductVersionRange
traefiktraefik* <3.6.8

References 3

  • github.com https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678
    Patch
  • github.com https://github.com/traefik/traefik/releases/tag/v3.6.8
    ProductRelease Notes
  • github.com https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w
    PatchVendor Advisory

Remediation

  • github.com https://github.com/traefik/traefik/commit/31e566e9f1d7888ccb6fbc18bfed427203c35678
    Patch
  • github.com https://github.com/traefik/traefik/security/advisories/GHSA-89p3-4642-cr2w
    PatchVendor Advisory