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CVE-2026-39412

5.3 · MEDIUM

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript.

Published Apr 8, 2026CWE-200EPSS 0.47%

Overview

CVE-2026-39412 is a medium-severity vulnerability. It was published on April 8, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.25.4, the sort_natural filter bypasses the ownPropertyOnly security option, allowing template authors to extract values of prototype-inherited properties through a sorting side-channel attack. Applications relying on ownPropertyOnly: true as a security boundary (e.g., multi-tenant template systems) are exposed to information disclosure of sensitive prototype properties such as API keys and tokens. This vulnerability is fixed in 10.25.4.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/harttle/liquidjs/commit/e743da0020d34e2ee547e1cc1a86b58377ebe1ceGitHubgithub.com/harttle/liquidjs/pull/869GitHubgithub.com/harttle/liquidjs/releases/tag/v10.25.4GitHubgithub.com/harttle/liquidjs/security/advisories/GHSA-rv5g-f82m-qrvvGitHubgithub.com/harttle/liquidjs/security/advisories/GHSA-rv5g-f82m-qrvv

How CyberStrike helps

Frequently asked questions

What is CVE-2026-39412?

CVE-2026-39412 is a medium-severity vulnerability. It was published on April 8, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-39412?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-39412?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-39412?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-39412 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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