CVE-2026-5374

runZero Platform MCP information leak

CVSS 5.8 MEDIUMEPSS 0.2%CWE-863

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 5.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Ciclo de vida

07 abr 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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

Productos afectados

runZero · Platform

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Referencias

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