CVE-2026-7186
Published:June 08, 2026
Updated:June 28, 2026
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.
Affected Packages
https://github.com/Checkmk/checkmk.git (GITHUB):
Affected version(s) >=v2.5.0 <v2.5.0p5Fix Suggestion:
Update to version v2.5.0p5https://github.com/Checkmk/checkmk.git (GITHUB):
Affected version(s) >=v2.4.0 <v2.4.0p31Fix Suggestion:
Update to version v2.4.0p31https://github.com/Checkmk/checkmk.git (GITHUB):
Affected version(s) >=v2.3.0 <v2.3.0p48Fix Suggestion:
Update to version v2.3.0p48Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
ACTIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.14