Relative Path Traversal Affecting github.com/esm-dev/esm.sh/server package, versions >=0.0.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMESMDEVESMSHSERVER-12927180
- published19 Sept 2025
- disclosed17 Sept 2025
- creditAi Ho (Jessie), CL Yang
Introduced: 17 Sep 2025
NewCVE-2025-59341 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Relative Path Traversal due to improper validation of user-supplied paths in router.go. An attacker can access sensitive files on the server by crafting requests with directory traversal sequences in the URL path.