CVE-2026-39859 | THREATINT

Description

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.25.3, liquidjs 10.25.0 documents root as constraining filenames passed to renderFile() and parseFile(), but top-level file loads do not enforce that boundary. A Liquid instance configured with an empty temporary directory as root can return the contents of arbitrary files. This vulnerability is fixed in 10.25.3.

PUBLISHED Reserved 2026-04-07 | Published 2026-04-08 | Updated 2026-04-10 | Assigner GitHub_M

MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

< 10.25.3

affected

References

github.com/...quidjs/security/advisories/GHSA-v273-448j-v4qj

cve.org (CVE-2026-39859)

nvd.nist.gov (CVE-2026-39859)

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