Information Exposure Affecting traefik-2 package, versions *


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-TRAEFIK2-16299080
  • published26 Apr 2026
  • disclosed30 Apr 2026

Introduced: 26 Apr 2026

NewCVE-2026-41263  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest traefik-2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream traefik-2 package and not the traefik-2 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a timing side-channel vulnerability in Traefik's BasicAuth middleware that allows an attacker to enumerate valid usernames through response-time differences. The variable intended to hold a constant-time fallback secret always resolves to an empty string, causing the constant-time comparison to short-circuit in microseconds rather than performing a full bcrypt evaluation. This restores the original timing oracle and makes it possible to distinguish existing users from non-existing ones by measuring authentication response times. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

CVSS Base Scores

version 3.1