🛡️ CVE-2026-7186 on Ubuntu — check-mk

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Distribution advisory

This page covers CVE-2026-7186 as tracked by Ubuntu, for the package check-mk. No fixed version has been recorded for this distribution yet.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Affected software and timeline

Affected software: check-mk. Published on 8 June 2026 and last revised on 11 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.cve.org (Report)
checkmk.com (Report)

CVE-2026-7186 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-08
Updated 2026-06-13
Modified 2026-06-11
Fix URL N/A

Affected Packages

Software From version Fixed in
check-mk — —

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More UBUNTU CVE 2026 advisories

Part of UBUNTU CVE 2026 in the advisory index.