CVE-2026-93985

critical · 9.4

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.

9.4

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-09-19

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-94

References

https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-6f7h-cvp6-w9w5
https://www.vulncheck.com/advisories/openpanel-js-runtime-javascript-template-sandbox-escape-rce

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-93985