CVE-2026-15227

EUVD-2026-51529
Missing authorization in Checkmk <2.5.0p10, <2.4.0p35, <2.3.0p49, and 2.2.0 (EOL) allows an authenticated user lacking the "Edit foreign Reports" permission to modify reports owned by other users.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
CheckmkCNA
5.3 MEDIUM
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/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
Base Score
CVSS 3.x
EPSS Score
Percentile: 28.66%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
checkmkcheckmk
2.5.0 ≤
𝑥
≤ 2.5.0p9
CNA
checkmkcheckmk
2.4.0 ≤
𝑥
≤ 2.4.0p34
CNA
checkmkcheckmk
2.3.0 ≤
𝑥
≤ 2.3.0p48
CNA
checkmkcheckmk
2.2.0
CNA
Common Weakness Enumeration
References
https://checkmk.com/werk/20003