7.5
High
CVE-2026-33382 Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing…
Description
Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Grafana OSS 13.0 | 13.0.0 → 13.0.1 | No fix stated |
| Grafana OSS 12.4 | 12.4.0 → 12.4.3 | No fix stated |
| Grafana OSS 12.3 | 12.3.0 → 12.3.6 | No fix stated |
| Grafana OSS 12.2 | 12.2.0 → 12.2.8 | No fix stated |
| Grafana OSS 11.6 | 11.6.0 → 11.6.14 | No fix stated |
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