CVE-2026-55575

Summary

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.

Affected Software

Weaknesses

• CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

References

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

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