CVE-2026-3103 PUBLISHED

Deletion of passwords via RestApi

Assigner: Checkmk
Reserved: 24.02.2026 Published: 04.03.2026 Updated: 04.03.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Checkmk GmbH
Product	Checkmk
Versions	Default: unaffected affected from 2.4.0 to 2.4.0p23 (excl.) affected from 2.3.0 to 2.3.0p43 (excl.) Version 2.2.0 is affected

References

https://checkmk.com/werk/19041

Problem Types

CWE-863: Incorrect Authorization CWE

Impacts

CAPEC-122: Privilege Abuse