CVE-2026-81846: Runzero Platform

Low severity, CVSS 3.5. EPSS: 0.3% chance of exploitation in the next 30 days.

An authorization bypass in the runZero Platform MCP service has been resolved in version 5.1.260826.0. This issue is an instance of CWE-639: Authorization Bypass Through User-Controlled Key and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N (3.5 Low).

Affected products

• Runzero Platform: from 4.0.251031.0, up to and including 5.1.260825.0

Published 2026-09-01. Last modified 2026-09-09.