CVE-2026-15227

MEDIUM CVSS 4.0: 5.3 EPSS 0.35%
Updated Sep 03, 2026
Checkmk
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions 2.3.0 — 2.5.0p10
Fixed In 2.5.0p10
Type CWE-862 (Missing Authorization)
Vendor Checkmk
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0

Vulnerable Products 4

Configuration From (including) Up to (excluding)
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
2.5.0 2.5.0p10
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
2.4.0 2.4.0p35
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
2.3.0 2.3.0p49
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*
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