---
cve: "CVE-2026-61556"
severity: "HIGH"
cvss: 8.7
epss: "32%"
vendor: "harttle"
kev: false
exploited: false
published: "2026-08-19 21:17:03"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T19:59:50+02:00"
---

# CVE-2026-61556

> 8.7 HIGH · 🧪 PoC

## Beschreibung

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. From 10.26.0 until 10.27.1, the strip_html filter in src/filters/html.ts can enter an infinite loop when an input string contains . In strip_html, the search for the next opener advances lt while the loop index remains unchanged when the closer search returns -1, and the equality-only stall guard does not exit because the loop index is less than lt. Reprocessing the same state indefinitely blocks template rendering and can cause denial of service with an input as short as a

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 5c3522f33928aae66f0fe85c36e1d9015c768fe2 (Commit)
- ed489865b64ce8f7cae2f14875e1a05742e043b3 (Commit)

## Referenzen

- <https://github.com/harttle/liquidjs/security/advisories/GHSA-m7fp-h3p4-hr49>
- <https://github.com/harttle/liquidjs/pull/917>
- <https://github.com/harttle/liquidjs/commit/5c3522f33928aae66f0fe85c36e1d9015c768fe2>
- <https://github.com/harttle/liquidjs/releases/tag/v10.27.1>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-61556) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_