CVE-2026-5379

Low

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.

SeverityLow

CVSS3.0

Exploit probability—

ProductRunzero Platform

PublishedApr 7, 2026

First seenApr 7, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

runzero runzero_platform4.0.260203.0 or later

Vendor advisories

help.runzero.com/docs/release-notes/#402602030
runzero.com/advisories/runzero-platform-mcp-cert-infoleak-cve-2026-5379/

Affected products

Product	Affected versions	Fixed in
runzero runzero_platform	v < 4.0.260203.0	4.0.260203.0

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