EUVD-2026-21342
Improper Neutralization of Delimiters (CWE-140)
GHSA-p2v5-ghx9-jg75
5.3
CVSS 4.0
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CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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
Low
User Interaction
None
Scope
X
Lifecycle Timeline
4
Patch available
Apr 16, 2026 - 05:29 EUVD
2.5.0b4
EUVD ID Assigned
Apr 10, 2026 - 08:45 euvd
EUVD-2026-21342
Analysis Generated
Apr 10, 2026 - 08:45 vuln.today
CVE Published
Apr 10, 2026 - 08:30 nvd
MEDIUM 5.3
DescriptionNVD
Livestatus injection in the monitoring quicksearch in Checkmk <2.5.0b4 allows an authenticated attacker to inject livestatus commands via the search query due to insufficient input sanitization in search filter plugins.
AnalysisAI
Livestatus injection in Checkmk's monitoring quicksearch function allows authenticated attackers to inject arbitrary livestatus commands through insufficiently sanitized search query parameters in versions prior to 2.5.0b4. The vulnerability requires valid authentication credentials and enables low-impact information disclosure and limited integrity/availability changes within the monitoring system. …
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External POC / Exploit Code
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