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CVE-2026-2859
Published: Mar 13, 2026
Modified: Mar 13, 2026
PUBLISHED
Description
Improper permission enforcement in Checkmk versions 2.4.0 before 2.4.0p23, 2.3.0 before 2.3.0p43, and 2.2.0 (EOL) allows unauthenticated users to enumerate existing hosts by observing different HTTP response codes in deploy_agent endpoint, which could lead to information disclosure.
| Vendor | Product | Versions |
|---|---|---|
Checkmk GmbH | Checkmk | affected 2.4.0 - < 2.4.0p23affected 2.3.0 - < 2.3.0p43affected 2.2.0 |
Weaknesses (CWE)
References
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