Timing Attack Affecting github.com/traefik/traefik/v3/pkg/middlewares/auth package, versions >=3.0.0-beta1 <3.6.11>=3.7.0-ea.1 <3.7.0-ea.2


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.39% (31st percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMTRAEFIKTRAEFIKV3PKGMIDDLEWARESAUTH-15702048
  • published20 Mar 2026
  • disclosed20 Mar 2026
  • creditf1veT

Introduced: 20 Mar 2026

CVE-2026-32595  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

Upgrade github.com/traefik/traefik/v3/pkg/middlewares/auth to version 3.6.11, 3.7.0-ea.2 or higher.

Overview

Affected versions of this package are vulnerable to Timing Attack via the BasicAuth middleware. An attacker can enumerate valid usernames by measuring the response time differences when submitting authentication requests.

CVSS Base Scores

version 4.0
version 3.1