CVE-2026-39412: LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript

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MEDIUM 5.3REMOTEUPGRADE

CVE-2026-39412 is a medium-severity flaw (CVSS 5.3) affecting liquidjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.25.4, the sort_natural filter bypasses the ownPropertyOnly security option, allowing template authors to extract values of prototype-inherited properties through a sorting side-channel attack. Applications relying on ownPropertyOnly: true as a security boundary (e.g., multi-tenant template systems) are exposed to information disclosure of sensitive pro

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-04-08
Last modified	2026-07-24

Publisher (CNA): GitHub, Inc. · Vendor: liquidjs

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-08 20:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

liquidjs liquidjs UPGRADE

Affected: < 10.25.4

Fixed in: 10.25.4

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls liquidjs

2. UPGRADE to 10.25.4

npm install liquidjs@">=10.25.4"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-39412?

liquidjs: upgrade to 10.25.4. Exact commands for each OS are on this page.

Is CVE-2026-39412 being exploited?

CVE-2026-39412 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-39412 affect?

CVE-2026-39412 affects liquidjs. Severity is medium (CVSS 5.3). LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to 10.25.4, the sort_natural filter bypasses the ownPropertyOnly security option, allowing template authors to extract values of prototype-inherited p

How urgent is CVE-2026-39412?

Priority 37/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities · Shopify vulnerabilities

Related CVEs

CVE-2026-34166 LOW 3.7 UPGRADE LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript
CVE-2026-35525 HIGH 7.5 UPGRADE LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript
CVE-2026-41311 HIGH 7.5 UPGRADE LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript
CVE-2026-39859 HIGH 7.5 UPGRADE LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript

References

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