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CVE-2026-33285— LiquidJS: memoryLimit Bypass through Negative Range Values Leads to Process Crash

Quick assessment

Affected
harttle liquidjs
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

liquidjs是Jun Yang个人开发者的一个简单、表达、安全且兼容 Shopify 的纯 JavaScript 模板引擎。 liquidjs 10.25.1之前版本存在资源管理错误漏洞，该漏洞源于memoryLimit安全机制可能被反向范围表达式完全绕过，可能导致分配无限内存并引发Node.js进程崩溃，从而造成拒绝服务。

CVSS 7.5 · High EPSS 0.62% · P49
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I. Basic Information for CVE-2026-33285

Vulnerability Information
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Vulnerability Title
LiquidJS: memoryLimit Bypass through Negative Range Values Leads to Process Crash
Source: CVE Program / CVE List V5
Vulnerability Description
LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, LiquidJS's `memoryLimit` security mechanism can be completely bypassed by using reverse range expressions (e.g., `(100000000..1)`), allowing an attacker to allocate unlimited memory. Combined with a string flattening operation (e.g., `replace` filter), this causes a V8 Fatal error that crashes the Node.js process, resulting in complete denial of service from a single HTTP request. Version 10.25.1 patches the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
liquidjs 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
liquidjs是Jun Yang个人开发者的一个简单、表达、安全且兼容 Shopify 的纯 JavaScript 模板引擎。 liquidjs 10.25.1之前版本存在资源管理错误漏洞，该漏洞源于memoryLimit安全机制可能被反向范围表达式完全绕过，可能导致分配无限内存并引发Node.js进程崩溃，从而造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
harttle liquidjs < 10.25.1 -

II. Public POCs for CVE-2026-33285

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III. Intelligence Information for CVE-2026-33285

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Patches & Fixes for CVE-2026-33285 (1)

Vendor Advisories for CVE-2026-33285 (1)

IV. Related Vulnerabilities

Same product: liquidjs
Same vendor: harttle
Same weakness: CWE-20

V. Comments for CVE-2026-33285

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