LiquidJS is Vulnerable to Remote Code Execution
Priority HIGH 82CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.
Summary
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 it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00818 57th percentileScored 2026-11-07
Fix Fixed liquidjs (harttle): 10.26.0liquidjs (npm): 10.26.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| harttle | liquidjs | before 10.26.0 | 10.26.0 | Patch available | CNA |
| — | liquidjs (npm) | before 10.26.0 | 10.26.0 | Patch available | GHSA-gf2q-c269-pqgc |
- liquidjs Vendorharttle Affected before 10.26.0 Fixed in 10.26.0 Patch available CNA
- liquidjs (npm) Vendor— Affected before 10.26.0 Fixed in 10.26.0 Patch available GHSA-gf2q-c269-pqgc
Remediation
- Fix · CNA liquidjs (harttle) Fixed in 10.26.0
- Fix · GHSA-gf2q-c269-pqgc liquidjs (npm) Fixed in 10.26.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-45618
- 2026-10-03 Alias added: GHSA-gf2q-c269-pqgc
References
More harttle vulnerabilities
- TI-2026-44110 LiquidJS: An infinite loop vulnerability in `strip_html` filter CVSS 4.0HIGH 8.7
- TI-2026-40114 LiquidJS: `pop` filter bypasses `memoryLimit` accounting that its array-filter siblings enforce CVSS 4.0HIGH 8.2
- TI-2026-33362 LiquidJS: ReDoS via Quadratic Backtracking in `strip_html` Filter Regex CVSS 3.1HIGH 7.5
- TI-2026-29912 LiquidJS is vulnerable to Denial of Service via circular block reference in layout CVSS 3.1HIGH 7.5
- TI-2026-28394 Information disclosure in harttle liquidjs CVSS 3.1HIGH 7.5
- TI-2026-25698 LiquidJS has Exponential Memory Amplification through its replace_first Filter $& Pattern CVSS 3.1HIGH 7.5
Sources
- CVE-2026-45618 · CVE Program
- CVE-2026-45618 · NVD
- FIRST EPSS
- GHSA-gf2q-c269-pqgc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences