RCE in Openpanel-Dev Openpanel
CVE-2026-93985
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.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (51.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/Openpanel-dev/openpanel/security/advisories/GHSA-6f7h-cvp6-w9w5 (vendor-advisory)
- www.vulncheck.com/advisories/openpanel-js-runtime-javascript-template-sandbox-e… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-93985?
- CVE-2026-93985 is a critical-severity vulnerability in Openpanel-Dev Openpanel, classified under Code Injection. CVSS score: 9.9/10. Published 2026-09-19.
- How severe is CVE-2026-93985?
- Critical severity. CVSS v3 base score is 9.9 out of 10.