CVE-2026-93985 OpenPanel js-runtime through 2.3.0 JavaScript Template Sandbox Escape RCE
Attackers with project write access can execute arbitrary code via sandbox escape in JavaScript webhook templates.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-93985?
CVE-2026-93985 is a critical code injection vulnerability in Openpanel-dev openpanel, published on 19 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-94
Which versions are affected by CVE-2026-93985?
How do I fix CVE-2026-93985?
No fix has been published for CVE-2026-93985 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-93985 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-93985 exists.
Sources
Also known as GHSA-6f7h-cvp6-w9w5, GHSA-rqpr-2wvr-29pf.