CVE-2026-7485 PUBLISHED

Frozen BI aggregations leak host and service names to unauthorized users

Assigner: Checkmk
Reserved: 30.04.2026 Published: 20.08.2026 Updated: 20.08.2026

Incorrect authorization in frozen BI aggregations in Checkmk <2.5.0p2, <2.4.0p29, <2.3.0p47, and all 2.2.0 versions allows an authenticated user with restricted host and service visibility to learn the names and the existence of hosts and services they are not authorized to see.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 2.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	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 2.5.0p2 (excl.) affected from 2.4.0 to 2.4.0p29 (excl.) affected from 2.3.0 to 2.3.0p47 (excl.) Version 2.2.0 is affected

Credits

Marcus Klein (ITeratio GmbH) reporter

References

https://checkmk.com/werk/16917

Problem Types

CWE-863: Incorrect Authorization CWE

Impacts

CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels