CVE-2026-45618: LiquidJS is a Shopify/GitHub Pages compatible template engine

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CRITICAL 10.0REMOTE

CVE-2026-45618 is a critical-severity flaw (CVSS 10.0) affecting affected software. 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. Prior to version 10.26.0, it is possible to execute arbitrary code with crafted templates. Version 10.26.0 patches the issue.

Why this priority

Critical severity
CISA SSVC: public proof of concept
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-08-11
Last modified	2026-10-24

Publisher (CNA): GitHub, Inc.

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-08-11 20:17 UTCPublished CVE record published
2026-10-24 16:10 UTCUpdated Record last modified

Exact fixes by distribution

npm · liquidjs · FIXED · 10.26.0 · vulnerable: < 10.26.0 · source

npm install liquidjs@">=10.26.0" npm ls liquidjs

Fedora 46 · sugar-clock · FIXED · 22.1-17.fc46 · FEDORA-2026-57948849df · source

sudo dnf upgrade --advisory=FEDORA-2026-57948849df

Fedora ELN · selinux-policy · FIXED · 45.23-1.eln159 · FEDORA-2026-3668c969a2 · source

sudo dnf upgrade --advisory=FEDORA-2026-3668c969a2

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/harttle/liquidjs/security/advisories/GHSA-gf2q-c269-pqgc

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-2026-45618?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-45618 being exploited?

CVE-2026-45618 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-2026-45618 affect?

CVE-2026-45618 affects affected software. Severity is critical (CVSS 10.0). 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.

How urgent is CVE-2026-45618?

Priority 60/100. Critical severity; CISA SSVC: public proof of concept; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities · Shopify vulnerabilities

References

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