What is CVE-2026-81846?

CVE-2026-81846 is a low-severity vulnerability in Runzero Platform, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 3.5/10. Published 2026-09-01.

How severe is CVE-2026-81846?

Low severity. CVSS v3 base score is 3.5 out of 10.

Auth bypass in Runzero Platform

CVE-2026-81846

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 class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Runzero Platform

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

44488dab-36db-4358-99f9-bc116477f914 (release-notes)
44488dab-36db-4358-99f9-bc116477f914 (vendor-advisory)

Frequently asked questions

What is CVE-2026-81846?: CVE-2026-81846 is a low-severity vulnerability in Runzero Platform, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 3.5/10. Published 2026-09-01.
How severe is CVE-2026-81846?: Low severity. CVSS v3 base score is 3.5 out of 10.