EUVD-2026-21344
2026-04-10
Checkmk
5.1
CVSS 4.0
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CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X
Lifecycle Timeline
3
EUVD ID Assigned
Apr 10, 2026 - 08:45 euvd
EUVD-2026-21344
Analysis Generated
Apr 10, 2026 - 08:45 vuln.today
CVE Published
Apr 10, 2026 - 08:31 nvd
MEDIUM 5.1
Tags
Description
Livestatus injection in the notification test mode in Checkmk <2.5.0b4 and <2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description.
Analysis
Livestatus injection in Checkmk's notification test mode allows authenticated users with high privileges to inject arbitrary Livestatus commands via crafted service descriptions in versions prior to 2.5.0b4 and 2.4.0p26. The vulnerability has a CVSS score of 5.1 with limited confidentiality and integrity impact, requiring high-privilege authentication. …
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Priority Score
26
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0
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