cvedb.io
CVE-2026-23644
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2026-01-18T23:15:48.547 · Last modified 2026-06-17T10:21:52.957

Summary

esm.sh is a no-build content delivery network (CDN) for web development. Prior to Go pseeudoversion 0.0.0-20260116051925-c62ab83c589e, the software has a path traversal vulnerability due to an incomplete fix. `path.Clean` normalizes a path but does not prevent absolute paths in a malicious tar file. Commit https://github.com/esm-dev/esm.sh/commit/9d77b88c320733ff6689d938d85d246a3af9af16, corresponding to pseudoversion 0.0.0-20260116051925-c62ab83c589e, fixes this issue.

Affected products

esm — esm.sh

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.