OpenPanel js-runtime Sandbox Escape via Webhook Template Validator
CVE-2026-93985 Published on September 19, 2026
OpenPanel js-runtime JavaScript Template Sandbox Escape RCE
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.
Vulnerability Analysis
CVE-2026-93985 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-93985 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-93985
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Affected Versions
Openpanel-dev openpanel:- Before and including bad75bddc74d12d36cfb843f4531d3b830a8d994 is affected.