CVE-2026-45618 is a code-injection vulnerability in the LiquidJS Shopify/GitHub Pages-compatible template engine. In versions prior to 10.26.0, crafted LiquidJS templates can exploit unsafe filter evaluation to obtain access to internal execution functionality and execute arbitrary code. The issue affects applications that render attacker-controlled or otherwise untrusted templates.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical arbitrary-code-execution vulnerability in LiquidJS template processing prior to version 10.26.0. Crafted templates can execute arbitrary code.
An arbitrary code execution vulnerability in LiquidJS affecting versions prior to 10.26.0.
A critical remote code execution vulnerability in the Liquidjs template engine caused by improper input validation during filter evaluation, enabling attackers to access internal execution context, reach the JavaScript Function constructor, and execute arbitrary system commands.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.