CVE-2026-41311 LiquidJS is vulnerable to Denial of Service via circular block reference in layout
An attacker can cause a Denial of Service by submitting a Liquid template with circular block references, crashing the Node.js process.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41311?
CVE-2026-41311 is a high-severity denial of service vulnerability in harttle liquidjs, published on 9 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-674
Which versions are affected by CVE-2026-41311?
2 open source packages ship an affected version, including liquidjs. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
liquidjs npm | All versions | 10.25.7 |
liquidjs npm | All versions | 10.25.7 |
Products include Liquidjs Liquidjs.
How do I fix CVE-2026-41311?
Upgrade liquidjs to 10.25.7 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-41311 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-41311 exists.
Other vulnerabilities in harttle liquidjs
- CVE-2026-30952 liquidjs has a path traversal fallback vulnerability
- CVE-2026-35525 LiquidJS has a root restriction bypass for partial and layout loading through symlinked templates
- CVE-2026-33285 LiquidJS: memoryLimit Bypass through Negative Range Values Leads to Process Crash
- CVE-2026-33287 LiquidJS has Exponential Memory Amplification through its replace_first Filter $& Pattern
- CVE-2026-39859 LiquidJS has a renderFile() / parseFile() bypass configured root and allow arbitrary file read
Sources
Also known as CLEANSTART-2026-ZO53086, ECHO-efc0-201a-49b9, GHSA-4rc3-7j7w-m548, MINI-jvxh-m69p-rqvr, MINI-mgm9-xmfh-9j3w, MINI-x34c-36gp-mfxx.