VULNERABILITY INTELLIGENCE
CVE-2026-25949
CVSS score7.5 HIGH
EPSS probability0.78%
CISA KEVNot currently listed
Published2026-02-12
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- security-advisories@github.com: CWE-400
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-770