CVE-2026-17548— Missing authorization for viewing background jobs
Quick assessment
Affected
Checkmk GmbH Checkmk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Checkmk是Checkmk公司的一个 IT 监控平台。 Checkmk 2.5.0p12之前版本、2.4.0p36之前版本、2.3.0p50之前版本和2.2.0版本存在授权问题漏洞，该漏洞源于缺少授权，可能导致已认证用户查看后台作业的状态和结果。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud StorageAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.5.0< 2.5.0p12 |
affected |
2.4.0< 2.4.0p36 |
affected | ||
2.3.0< 2.3.0p50 |
affected | ||
2.2.0 |
affected |
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I. Basic Information for CVE-2026-17548
Vulnerability Information
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Vulnerability Title
Missing authorization for viewing background jobs
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Checkmk 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是Checkmk公司的一个 IT 监控平台。 Checkmk 2.5.0p12之前版本、2.4.0p36之前版本、2.3.0p50之前版本和2.2.0版本存在授权问题漏洞，该漏洞源于缺少授权，可能导致已认证用户查看后台作业的状态和结果。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.5.0 ~ 2.5.0p12 | - |
|
II. Public POCs for CVE-2026-17548
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-17548 (1)
IV. Related Vulnerabilities
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Same vendor: Checkmk GmbH
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mk-oracle: Local privilege escalation via malicious Oracle I -
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Livestatus injection via monitoring filter values -
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Redact SNMP community, SNMPv3 pass phrases, and IPMI passwor -
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Missing decompression size limit in agent receiver allows me -
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Agent receiver certificate confusion allows authentication w
Same weakness: CWE-862
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V. Comments for CVE-2026-17548
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