What is CVE-2026-45617?

CVE-2026-45617 is a high-severity vulnerability in Harttle Liquidjs, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2026-06-17.

How severe is CVE-2026-45617?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Harttle Liquidjs

CVE-2026-45617

LiquidJS is a Shopify/GitHub Pages compatible template engine written in pure JavaScript. In versions 10.25.7 and below, the built-in strip_html filter uses a regex containing four flawed lazy-quantified alternatives, leading to ReDoS via…

Vulnerability class: ReDoS (Regular Expression Denial of Service)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Harttle Liquidjs — versions < 10.26.0

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-45617?: CVE-2026-45617 is a high-severity vulnerability in Harttle Liquidjs, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2026-06-17.
How severe is CVE-2026-45617?: High severity. CVSS v3 base score is 7.5 out of 10.