CVE-2026-93985 - OpenPanel js-runtime JavaScript Template Sandbox Escape RCE
Posted: Sun Sep 20, 2026 9:26 am
CVE ID :CVE-2026-93985
Published : Sept. 19, 2026
Description :OpenPanel js-runtime through commit bad75bdd 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.
Severity: 9.9 | CRITICAL
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-93985
Published : Sept. 19, 2026
Description :OpenPanel js-runtime through commit bad75bdd 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.
Severity: 9.9 | CRITICAL
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-93985