CVE-2024-28869: Traefik

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the "Content-length" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.

Affected products

• Traefik Traefik: before 2.11.2 (fixed in 2.11.2); version 3.0.0 only

Published 2024-04-12. Last modified 2026-06-17.