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CVE-2026-3103

MEDIUM CVSS 4.0: 5.3 EPSS 0.06%
Updated Mar 05, 2026
Checkmk
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-863 (Incorrect Authorization)
Vendor Checkmk
Public PoC No

A logic error in the remove_password() function in Checkmk GmbH's Checkmk versions <2.4.0p23, <2.3.0p43, and 2.2.0 (EOL) allows a low-privileged user to cause data loss.

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
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products 79

Configuration From (including) Up to (excluding)
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:-:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:b1:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:b2:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:b3:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:b4:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:b5:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:b6:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p1:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p10:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p11:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p12:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p13:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p14:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p15:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p16:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p17:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p18:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p19:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p2:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p20:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p21:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p22:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p23:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p24:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p25:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p26:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p27:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p28:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p29:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p3:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p30:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p31:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p32:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p33:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p34:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p35:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p36:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p37:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p38:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p39:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p4:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p40:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p41:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p42:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p5:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p6:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p7:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p8:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.3.0:p9:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:-:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:b1:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:b2:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:b3:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:b4:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:b5:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:b6:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p1:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p10:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p11:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p12:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p13:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p14:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p15:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p16:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p17:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p18:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p19:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p2:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p20:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p21:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p22:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p3:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p4:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p5:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p6:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p7:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p8:*:*:*:*:*:*
Checkmk Checkmk
cpe:2.3:a:checkmk:checkmk:2.4.0:p9:*:*:*:*:*:*