Directory Traversal Affecting traefik-3.6 package, versions <3.6.13-r2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-WOLFILATEST-TRAEFIK36-16100136
- published18 Apr 2026
- disclosed21 Apr 2026
Introduced: 18 Apr 2026
CVE-2026-40611 (opens in a new tab)How to fix?
Upgrade Wolfi traefik-3.6 to version 3.6.13-r2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream traefik-3.6 package and not the traefik-3.6 package as distributed by Wolfi.
See How to fix? for Wolfi relevant fixed versions and status.
Let's Encrypt client and ACME library written in Go (Lego). Prior to 4.34.0, the webroot HTTP-01 challenge provider in lego is vulnerable to arbitrary file write and deletion via path traversal. A malicious ACME server can supply a crafted challenge token containing ../ sequences, causing lego to write attacker-influenced content to any path writable by the lego process. This vulnerability is fixed in 4.34.0.