CVE-2026-5374 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

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References

Link	Providers
https://help.runzero.com/docs/release-notes/#402602020
https://www.runzero.com/advisories/runzero-platform-mcp-infoleak-cve-2026-5374/

History

Tue, 07 Apr 2026 15:15:00 +0000

Type	Values Removed	Values Added
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.
Title		runZero Platform MCP information leak
Weaknesses		CWE-863
References		https://help.runzero.com/docs/release-notes/#402602020 https://www.runzero.com/advisories/runzero-platform-mcp-infoleak-cve-2026-5374/
Metrics		cvssV3_1 `{'score': 5.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: runZero

Published: 2026-04-07T14:10:36.244Z

Updated: 2026-04-07T14:50:26.053Z

Reserved: 2026-04-01T19:51:12.402Z

Link: CVE-2026-5374

Vulnrichment

Updated: 2026-04-07T14:44:24.551Z

NVD

Status : Received

Published: 2026-04-07T15:17:47.307

Modified: 2026-04-07T15:17:47.307

Link: CVE-2026-5374

Redhat

No data.

OpenCVE Enrichment

No data.

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