CVE-2026-81846
lowAn authorization bypass in the runZero Platform MCP service has been resolved in version 5.1.260826.0.
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).
CVSS
3.5
3.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N Severity source: NVD CVSS v3.1 (44488dab-36db-4358-99f9-bc116477f914)
Timeline (UTC)
Published: 2026-09-01 19:17
Modified: 2026-09-09 15:52
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://help.runzero.com/docs/release-notes/#512608260 44488dab-36db-4358-99f9-bc116477f914
- https://www.runzero.com/advisories/runzero-mcp-findings-summaries-data-leak-cve-2026-81846 44488dab-36db-4358-99f9-bc116477f914
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:50 UTC · record ↗