CVE-2026-8593

MEDIUM CVSS 4.0: 5.3 EPSS 0.21%
Updated Jul 22, 2026
Improper
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions before 2.5.0
Type CWE-862 (Missing Authorization)
Vendor Improper
Public PoC No

Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL) allows users without permissions to view and modify BI packs and rules

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
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0