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OpenAdvisories
High · 8.8 CVE-2026-116811 EUVD-2026-110519GHSA-r85r-mvjp-f5x7

OpenPanel before 3.0.0 Sandbox Escape RCE via Webhook JavaScript Template

Published Oct 26, 2026 · Updated Oct 31, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
Openpanel-dev openpanel < 3.0.0 3.0.0

References