CVE-2026-5379

LOW

runZero Platform MCP certification information leak

Title source: cna
STIX 2.1

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.

Scores

CVSS v3 3.0
EPSS 0.0002
EPSS Percentile 6.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (2)
runZero/Platform < 4.0.260203.0
runzero/runzero_platform < 4.0.260203.0
Published Apr 07, 2026
Tracked Since Apr 07, 2026