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CVE-2026-116811high8.7

OpenPanel before 3.0.0 Sandbox Escape RCE via Webhook JavaScript Template

Impact

OpenPanel before 3.0.0 contains a sandbox escape vulnerability in the js-runtime validator that allows a project member to bypass the AST allowlist by aliasing the Function constructor. Attackers with write access can read payload.constructor.constructor into a local and call it to run arbitrary code in the worker process.

Source excerpt · VulnCheck

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Openpanel-dev · openpanel

Other versions: unaffected

Version / rangeSource status
0 to before 3.0.0affected
3.0.0unaffected
VulnCheck version evidence

Original source description

OpenPanel before 3.0.0 contains a sandbox escape vulnerability in the js-runtime validator that allows a project member to bypass the AST allowlist by aliasing the Function constructor. Attackers with write access can read payload.constructor.constructor into a local and call it to run arbitrary code in the worker process.

References