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CVE-2026-39859

MEDIUM CVSS 4.0: 6.3 EPSS 0.02%
Updated Apr 10, 2026
Liquidjs
Parameter Value
CVSS 6.3 (MEDIUM)
Affected Versions before 10.25.3
Fixed In 10.25.3
Type CWE-22 (Path Traversal)
Vendor Liquidjs
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Liquidjs Liquidjs
cpe:2.3:a:liquidjs:liquidjs:*:*:*:*:*:node.js:*:*
10.25.3