CVE-2026-93985OpenPanel js-runtime through 2.3.0 JavaScript Template Sandbox Escape RCE

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• GitHub Security Advisory (GHSA-6f7h-cvp6-w9w5) vendor-advisory
• VulnCheck Advisory: OpenPanel js-runtime JavaScript Template Sandbox Escape RCE third-party-advisory