CVE-2026-15227 PUBLISHED

Missing Authorization Allows Editing of Foreign Reports

Assigner: Checkmk
Reserved: 09.07.2026 Published: 31.07.2026 Updated: 31.07.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
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	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Checkmk GmbH
Product	Checkmk
Versions	Default: unaffected affected from 2.5.0 to 2.5.0p10 (excl.) affected from 2.4.0 to 2.4.0p35 (excl.) affected from 2.3.0 to 2.3.0p49 (excl.) Version 2.2.0 is affected

Credits

Jose Sharon (EY GmbH) reporter
Pratheesh P. Narayanan (EY GmbH) reporter

References

https://checkmk.com/werk/20003

Problem Types

CWE-862: Missing Authorization CWE

Impacts

CAPEC-122: Privilege Abuse