Medium · published December 18, 2025
Insufficient permission validation in Checkmk versions prior to 2.4.0p17 and 2.3.0p42 allow low-privileged users to view agent information via the REST API, which could lead to information disclosure.
| Product | Versions | Fixed in |
|---|---|---|
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |
| checkmk/checkmk | all versions | — |