CVE-2026-5374

MEDIUM

runZero Platform MCP information leak

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 5.8
EPSS 0.0004
EPSS Percentile 13.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (2)
runZero/Platform < 4.0.260202.0
runzero/runzero_platform < 4.0.260202.0
Published Apr 07, 2026
Tracked Since Apr 07, 2026