CVE-2026-5374

MEDIUM EPSS 10.9%
Published Apr 7, 20262mo ago · Modified Jun 17, 20261w ago
5.8 CVSS 3.1
Medium
Find Similar
Published Apr 7, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.8
Exploitability
1.3
Impact
4.0
Vector string
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required High
User Interaction None
Scope Changed
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
10.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-863 Incorrect Authorization Authorization

Affected Products 1

VendorProductVersionRange
runzerorunzero_platform* <4.0.260202.0

References 2

  • help.runzero.com https://help.runzero.com/docs/release-notes/#402602020
    Release Notes
  • runzero.com https://www.runzero.com/advisories/runzero-platform-mcp-infoleak-cve-2026-5374/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.