CVE-2026-7485: CWE-863: Incorrect Authorization in Checkmk GmbH Checkmk
CVE-2026-7485 is an authorization vulnerability in Checkmk versions 2.2.0, 2.3.0, 2.4.0, and 2.5.0. It allows an authenticated user with restricted host and service visibility to discover the names and existence of hosts and services they should not have access to. The vulnerability relates to incorrect authorization in frozen BI aggregations. The CVSS score is low, indicating limited impact. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-7485) in Checkmk involves incorrect authorization in frozen BI aggregations. Authenticated users with limited visibility can bypass access controls to learn about hosts and services outside their authorized scope. Affected versions include 2.2.0, 2.3.0, 2.4.0, and 2.5.0. The CVSS 4.0 base score is 2.3, reflecting low severity. No vendor advisory or patch information is provided, and no known exploitation has been reported.
Potential Impact
An authenticated user with restricted visibility can gain unauthorized knowledge of host and service names and their existence, potentially leading to information disclosure. However, the impact is limited as it does not grant control or modification capabilities, and the CVSS score reflects low severity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict user privileges where possible and monitor for unusual access patterns related to host and service enumeration.
CVE-2026-7485: CWE-863: Incorrect Authorization in Checkmk GmbH Checkmk
Description
CVE-2026-7485 is an authorization vulnerability in Checkmk versions 2.2.0, 2.3.0, 2.4.0, and 2.5.0. It allows an authenticated user with restricted host and service visibility to discover the names and existence of hosts and services they should not have access to. The vulnerability relates to incorrect authorization in frozen BI aggregations. The CVSS score is low, indicating limited impact. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild.
CVSS v4.0
Score 2.3low
Affected software
pkg:github/checkmk/checkmkRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-7485) in Checkmk involves incorrect authorization in frozen BI aggregations. Authenticated users with limited visibility can bypass access controls to learn about hosts and services outside their authorized scope. Affected versions include 2.2.0, 2.3.0, 2.4.0, and 2.5.0. The CVSS 4.0 base score is 2.3, reflecting low severity. No vendor advisory or patch information is provided, and no known exploitation has been reported.
Potential Impact
An authenticated user with restricted visibility can gain unauthorized knowledge of host and service names and their existence, potentially leading to information disclosure. However, the impact is limited as it does not grant control or modification capabilities, and the CVSS score reflects low severity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict user privileges where possible and monitor for unusual access patterns related to host and service enumeration.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Checkmk
- Date Reserved
- 2026-04-30T08:05:18.277Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a86f536acd9273b499be465
Added to database: 08/20/2026, 12:38:14 UTC
Last enriched: 08/20/2026, 12:53:16 UTC
Last updated: 08/20/2026, 12:53:16 UTC
Views: 4
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