CVE-2026-81846
LowCVSS 3.5Exploitation Probability (EPSS)
Low risk11th percentile - higher than 11% of all known CVEs
Summary
An authorization bypass vulnerability in the runZero Platform MCP service allows bypassing authorization through a user-controlled key (CWE-639). The issue is fixed in version 5.1.260826.0, with an estimated CVSS score of 3.5 (Low).
Risk Assessment
The risk is low, but an attacker with low privileges could gain unauthorized access to certain resources, potentially compromising data confidentiality.
Recommendation
It is recommended to update runZero Platform to version 5.1.260826.0 or later as soon as possible to mitigate the vulnerability.
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Original NVD description (English source)
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).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

