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CVE-2026-39412

MEDIUM

5.3

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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/8/2026

Last Modified4/9/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-200

References

https://github.com/harttle/liquidjs/commit/e743da0020d34e2ee547e1cc1a86b58377ebe1ce(security-advisories@github.com)

https://github.com/harttle/liquidjs/pull/869(security-advisories@github.com)

https://github.com/harttle/liquidjs/releases/tag/v10.25.4(security-advisories@github.com)

https://github.com/harttle/liquidjs/security/advisories/GHSA-rv5g-f82m-qrvv(security-advisories@github.com)

https://github.com/harttle/liquidjs/security/advisories/GHSA-rv5g-f82m-qrvv(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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