CVE-2026-5379

Published: Apr 7, 2026Modified: Apr 21, 2026

3.0

Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N

Exploitability: 1.3 / Impact: 1.4

Source: 44488dab-36db-4358-99f9-bc116477f914 (Secondary)

Description

An issue that allowed MCP agents to access certificate information from outside of their 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:L/I:N/A:N (3.0 Low). This issue was fixed in version 4.0.260203.0 of the runZero Platform.

Affected (1)

Products: Runzero: Runzero Platform

1 product

Runzero Platform

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Runzero Runzero Platform	Before 4.0.260203.0

Related CWEs

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (2)

https://help.runzero.com/docs/release-notes/#402602030

Source: 44488dab-36db-4358-99f9-bc116477f914

Release Notes

https://www.runzero.com/advisories/runzero-platform-mcp-cert-infoleak-cve-2026-5379/

Source: 44488dab-36db-4358-99f9-bc116477f914

Vendor Advisory

Timeline

No history available yet.