What’s Vulnerable › Vulnerabilities

CVE-2026-93985: OpenPanel js-runtime through 2.3.0 JavaScript Template Sandbox Escape RCE

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-19 · updated 2026-10-02
• Weakness: CWE-94

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.

Affected products

• Openpanel-dev openpanel: through 2.3.0

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

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