PT-2026-47284 · Checkmk Gmbh · Checkmk

Published 2026-06-08 · Updated 2026-06-08 · CVE-2026-7186

NVD

CVSS v4.0

8.5

High

Base vector

AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-7186

Affected Products

Checkmk

References · 2

• https://checkmk.com/werk/17991 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-7186 · Security Note