CVE-2026-116811

EUVD-2026-110519
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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 42.19%
Common Weakness Enumeration
References
https://github.com/Openpanel-dev/openpanel/commit/42fc8623b5c5c30f0b89686451c0c5ab13046b81
https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-mc99-9jf5-22cq
https://www.vulncheck.com/advisories/openpanel-before-3.0.0-sandbox-escape-rce-via-webhook-javascript-template