7.5
High
CVE-2026-42127 The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated…
Description
The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Grafana Enterprise 13.0 | 13.0.0 → 13.0.1 | No fix stated |
| Grafana Enterprise 12.4 | 12.4.0 → 12.4.3 | No fix stated |
| Grafana Enterprise 12.3 | 12.3.0 → 12.3.6 | No fix stated |
| Grafana Enterprise 12.2 | 12.2.0 → 12.2.8 | No fix stated |
| Grafana Enterprise 11.6 | 11.6.0 → 11.6.14 | No fix stated |
| 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 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Grafana OSS 11.6 | 11.6.0 → 11.6.14 | No fix stated |
References
- grafana.com grafana.com
Timeline
- Published
- Last modified
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