CVE-2026-55575

Description

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.27.1, the pop array filter at src/filters/array.ts allocated a full clone of its input array via [...toArray(v)] without calling this.context.memoryLimit.use(...), allowing a template render such as {{ huge_array | pop }} to allocate an O(N) clone of an attacker-influenced array outside the configured memoryLimit budget. This issue is fixed in version 10.27.1.

Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

https://github.com/harttle/liquidjs/commit/8a0c74a7fcb1671aa1dcb71ec82ba0602dc90d04 https://github.com/harttle/liquidjs/pull/907 https://github.com/harttle/liquidjs/releases/tag/v10.27.1 https://github.com/harttle/liquidjs/security/advisories/GHSA-g357-x5c3-c72p

Frequently Asked Questions

What is CVE-2026-55575? +

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.27.1, the pop array filter at src/filters/array.ts allocated a full clone of its input array via [...toArray(v)] without calling this.context.memoryLimit.use(...), allowing a template render such as {{ huge_array | pop }} to allocate an O(N) clone of an attacker-influenced array outside the configured memoryLimit budget. This issue is fixed in version 10.27.1.

How do I check if I'm vulnerable to CVE-2026-55575? +

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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