Description
Traefik is an open source HTTP reverse proxy and load balancer. Versions prior to 2.9.6 are subject to a potential vulnerability in Traefik displaying the Authorization header in its debug logs. In certain cases, if the log level is set to DEBUG, credentials provided using the Authorization header are displayed in the debug logs. Attackers must have access to a users logging system in order for credentials to be stolen. This issue has been addressed in version 2.9.6. Users are advised to upgrade. Users unable to upgrade may set the log level to `INFO`, `WARN`, or `ERROR`.
References (3)
Core 3
Core References
Exploit, Patch, Third Party Advisory x_refsource_confirm
https://github.com/traefik/traefik/security/advisories/GHSA-h2ph-vhm7-g4hp
Patch, Third Party Advisory x_refsource_misc
https://github.com/traefik/traefik/pull/9574
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/traefik/traefik/releases/tag/v2.9.6
Scores
CVSS v3
3.5
EPSS
0.0051
EPSS Percentile
66.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-532
CWE-200
Status
published
Products (2)
traefik/traefik
< 2.9.6
traefik/traefik
0 - 2.9.6Go
Published
Dec 08, 2022
Tracked Since
Feb 18, 2026