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Medium · 5.8 CVE-2026-5374 EUVD-2026-19635GHSA-9359-vm49-5gpx

runZero Platform MCP information leak

Published Apr 7, 2026 · Updated Apr 7, 2026 · Assigned by runZero

Description

An issue that allowed MCP agents to access remediation and asset information from outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N (5.8 Medium). This issue was fixed in version 4.0.260202.0 of the runZero Platform.

Affected products

VendorProductAffectedFixed
runZero Platform < 4.0.260202.0 4.0.260202.0

References