CVE-2026-17548: CWE-862: Missing Authorization in Checkmk GmbH Checkmk
Missing authorization in Checkmk <2.5.0p12, <2.4.0p36, <2.3.0p50 and all 2.2.0 versions allows an authenticated user who knows the ID of a background job to view that job's status and results.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-17548) in Checkmk versions <2.5.0p12, <2.4.0p36, <2.3.0p50, and all 2.2.0 versions allows an authenticated user to bypass authorization controls and access the status and results of background jobs by knowing their job IDs. The issue is categorized under CWE-862 (Missing Authorization). The CVSS 4.0 base score is 5.3, indicating a medium impact with network attack vector, low complexity, and no user interaction required.
Potential Impact
An authenticated user with knowledge of a background job ID can view sensitive information about that job's status and results without proper authorization. This could lead to unauthorized disclosure of potentially sensitive operational data within the Checkmk monitoring environment. There is no indication of privilege escalation or remote unauthenticated exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is provided in the available data. Until a patch is available, restrict access to authenticated users and limit knowledge of background job IDs to trusted personnel only.
CVE-2026-17548: CWE-862: Missing Authorization in Checkmk GmbH Checkmk
Description
Missing authorization in Checkmk <2.5.0p12, <2.4.0p36, <2.3.0p50 and all 2.2.0 versions allows an authenticated user who knows the ID of a background job to view that job's status and results.
CVSS v4.0
Score 5.3medium
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-2026-17548) in Checkmk versions <2.5.0p12, <2.4.0p36, <2.3.0p50, and all 2.2.0 versions allows an authenticated user to bypass authorization controls and access the status and results of background jobs by knowing their job IDs. The issue is categorized under CWE-862 (Missing Authorization). The CVSS 4.0 base score is 5.3, indicating a medium impact with network attack vector, low complexity, and no user interaction required.
Potential Impact
An authenticated user with knowledge of a background job ID can view sensitive information about that job's status and results without proper authorization. This could lead to unauthorized disclosure of potentially sensitive operational data within the Checkmk monitoring environment. There is no indication of privilege escalation or remote unauthenticated exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is provided in the available data. Until a patch is available, restrict access to authenticated users and limit knowledge of background job IDs to trusted personnel only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Checkmk
- Date Reserved
- 2026-07-27T11:46:09.650Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8d57daacd9273b49ee4d27
Added to database: 08/25/2026, 08:52:42 UTC
Last enriched: 08/25/2026, 09:07:34 UTC
Last updated: 08/25/2026, 11:02:22 UTC
Views: 6
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