CVE-2026-93985
OpenPanel js-runtime through 2.3.0 JavaScript Template Sandbox Escape RCE
- State
- Published
- Severity
- 9.4 Critical
- Published
- Sep 19, 2026
- Updated
- Oct 2, 2026
- Reserved
- Sep 19, 2026
Description
OpenPanel js-runtime through 2.3.0 contains a sandbox escape vulnerability in the JavaScript webhook template validator that fails to block computed member access to constructor chains. Attackers with project write access can create webhook templates using computed property notation to access Function constructor and execute arbitrary code in the worker process.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H | VulnCheck |
| 3.1 | 9.9 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-94 Improper Control of Generation of Code ('Code Injection')
Affected Products
| Product | Versions |
|---|---|
openpanelOpenpanel-dev |
|
References
- GitHub Security Advisory (GHSA-6f7h-cvp6-w9w5)vendor-advisory
- VulnCheck Advisory: OpenPanel js-runtime JavaScript Template Sandbox Escape RCEthird-party-advisory
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