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CVE-2026-93985

OpenPanel js-runtime through 2.3.0 JavaScript Template Sandbox Escape RCE

CVSS 4.0 9.4 CRITICALCVSS 3.1 9.9 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-93985

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93985

Published

openpanel

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Openpanel-dev",
                    "product": "openpanel",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "2.3.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON