CVE-2026-7186— Fix stored XSS in URL dashboard widget via dangerous URI schemes
Possible ATT&CK Techniques 1AI
T1189 · Drive-by CompromiseAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.5.0< 2.5.0p5 | affected |
2.4.0< 2.4.0p31 | affected | ||
2.3.0< 2.3.0p48 | affected | ||
2.2.0 | affected |
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I. Basic Information for CVE-2026-7186
Vulnerability Information
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Vulnerability Title
Fix stored XSS in URL dashboard widget via dangerous URI schemes
Source: NVD (National Vulnerability Database)
Vulnerability Description
Stored cross-site scripting in the URL dashboard widget in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows a user with dashboard editing permissions to store a URL with a dangerous URI scheme such as javascript: that executes scripts in other users' browsers when they view the dashboard.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Checkmk 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是Checkmk公司的一个 IT 监控平台。 Checkmk 2.5.0p5之前版本、2.4.0p31之前版本、2.3.0p48之前版本和所有2.2.0版本存在跨站脚本漏洞，该漏洞源于URL仪表板小部件中的存储型跨站脚本漏洞，允许具有仪表板编辑权限的用户存储包含危险URI方案如javascript:的URL，在其他用户查看仪表板时执行脚本。
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 ~ 2.5.0p5 | - |
II. Public POCs for CVE-2026-7186
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-7186 (1)
Same Patch Batch · Checkmk GmbH · 2026-06-08 · 5 CVEs total
| CVE-2026-7765 | User Messages widget leaked issuer messages on shared dashboards | |
| CVE-2026-9549 | Fix XSS in service discovery active check output | |
| CVE-2026-8833 | XSS in urls | |
| CVE-2026-8078 | Fix stored XSS in global settings change log |
IV. Related Vulnerabilities
Same product: Checkmk
Same vendor: Checkmk GmbH
Same weakness: CWE-79
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V. Comments for CVE-2026-7186
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