CVE-2026-81846

runZero MCP 'Findings summaries' Data Leak

State: Published
Severity: 3.5 Low
Published: Sep 1, 2026
Updated: Sep 1, 2026
Reserved: Aug 27, 2026

Description

An authorization bypass in the runZero Platform MCP service has been resolved in version 5.1.260826.0. This issue is an instance of CWE-639: Authorization Bypass Through User-Controlled Key and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N (3.5 Low).

Scores

CVSS	Score	Vector	Source
3.1	3.5 Low	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N	runZero

Weaknesses

CWE-639 Authorization bypass through User-Controlled key

Affected Products

Product	Versions
PlatformrunZero	4.0.251031.0 through 5.1.260825.0Affected

References

https://www.runzero.com/advisories/runzero-mcp-findings-summaries-data-leak-cve-2026-81846vendor-advisory
https://help.runzero.com/docs/release-notes/#512608260release-notes

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