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Vulnerability record · CVE-2026-93985 · published 19 September 2026

CVE-2026-93985: Code injection vulnerability

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 4.0 Critical EPSS 0.67% · top 50.2% CWE-94 · Code injection Deferred
9.4CVSS 4.0 base score
0.67%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
22 Sep 2026Last modified by NVD

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.

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:

References

LinkTags
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
https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-6f7h-cvp6-w9w5

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Source: NIST National Vulnerability Database (record CVE-2026-93985), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.