CVE-2026-81846

runZero MCP 'Findings summaries' Data Leak

Published Sep 1, 2026 CVSS 3.1 · 3.5 Low EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Runzero
Runzero platform
Vendors & Products Runzero
Runzero platform
Type Values Removed Values Added
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).
Title runZero MCP 'Findings summaries' Data Leak
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 3.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
runZero
Published
Updated
Sep 1, 2026, 7:36 PM
Reserved
Aug 27, 2026, 4:11 PM
Status
Deferred
Published
Sep 1, 2026, 7:17 PM
Modified
Sep 9, 2026, 3:52 PM