CVE-2026-5379

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.

CVSS 3.1

3.0CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N

EPSS

0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-25)

CWE

CWE-863

Published

2026-04-07

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

Affected

• runzero:runzero_platform

References

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

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