An authorization bypass in the runZero Platform MCP service has been resolved in version 5.1.260826.0. (CVE-2026-81846)
Description
An authorization bypass vulnerability (CWE-639) was identified in the runZero Platform MCP service and resolved in version 5.1.260826.0. The issue allows bypassing authorization controls through user-controlled keys. It has a low severity with a CVSS score of 3.5. No known exploits are reported in the wild. The vendor has released a fixed version to address this vulnerability.
CVSS v3.1
Score 3.5low
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-81846 is an authorization bypass vulnerability in the runZero Platform MCP service, classified under CWE-639: Authorization Bypass Through User-Controlled Key. This flaw allows an attacker with low privileges to bypass authorization mechanisms, potentially affecting confidentiality but not integrity or availability. The vulnerability has a CVSS 3.1 base score of 3.5 (Low), with network attack vector, high attack complexity, low privileges required, no user interaction, and scope changed. The issue was resolved in runZero Platform MCP service version 5.1.260826.0.
Potential Impact
The vulnerability could allow an attacker with low privileges to bypass authorization controls, leading to limited confidentiality impact. There is no impact on integrity or availability. No known active exploitation has been reported.
Mitigation Recommendations
Upgrade to runZero Platform MCP service version 5.1.260826.0 or later to remediate this authorization bypass vulnerability. Since the vendor has released an official fix, applying this update is the recommended mitigation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-29cr-9cjx-c8cg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-81846"]
- Database Specific Severity
- LOW
- Cvss Version
- 3.1
Threat ID: 6a98458bacd9273b496add70
Added to database: 09/02/2026, 15:49:31 UTC
Last enriched: 09/07/2026, 21:09:08 UTC
Last updated: 10/17/2026, 06:48:20 UTC
Views: 61
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