Medium · published November 18, 2025
Insufficient permission validation in Checkmk 2.4.0 before version 2.4.0p16 allows low-privileged users to modify notification parameters via the REST API, which could lead to unauthorized actions or 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 | — |