CVE-2026-41311

Description

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.7, a circular block reference in {% layout %} / {% block %} causes an infinite recursive loop, consuming all available memory (~4GB) and crashing the Node.js process with FATAL ERROR: JavaScript heap out of memory. This allows any user who can submit a Liquid template to perform a Denial of Service attack. This issue has been patched in version 10.25.7.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0004

Probability of exploitation

0.14%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-674 CWE-674

Affected Products

Vendor	Product	Versions
liquidjs	liquidjs	< 10.25.7

References

Advisories & Patches

https://github.com/harttle/liquidjs/commit/e2311dfd6e82f73509308aa8a3a1fafc92e226f0 https://github.com/harttle/liquidjs/security/advisories/GHSA-4rc3-7j7w-m548 https://github.com/harttle/liquidjs/security/advisories/GHSA-4rc3-7j7w-m548

Exploits

https://github.com/harttle/liquidjs/security/advisories/GHSA-4rc3-7j7w-m548 https://github.com/harttle/liquidjs/security/advisories/GHSA-4rc3-7j7w-m548

Other References

https://github.com/harttle/liquidjs/releases/tag/v10.25.7

Frequently Asked Questions

What is CVE-2026-41311? +

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.7, a circular block reference in {% layout %} / {% block %} causes an infinite recursive loop, consuming all available memory (~4GB) and crashing the Node.js process with FATAL ERROR: JavaScript heap out of memory. This allows any user who can submit a Liquid template to perform a Denial of Service attack. This issue has been patched in version 10.25.7. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-41311? +

CVE-2026-41311 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0004, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-41311? +

CVE-2026-41311 affects products from liquidjs, specifically: liquidjs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41311? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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