Description
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.
Scores
CVSS v3
7.5
EPSS
0.0102
EPSS Percentile
77.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-755
Status
published
Products (4)
traefik/traefik
3.0.0 (10 CPE variants)
traefik/traefik
< 2.11.2
traefik/traefik
0 - 2.11.2 (2 CPE variants)Go
traefik/traefik
3.0.0-beta3 - 3.0.0-rc5Go
Published
Apr 12, 2024
Tracked Since
Feb 18, 2026