VDB
CVE-2026-42127
CVE-2026-42127
PUBLISHED
CVSS 7.5 HIGH
Reported by GRAFANA · Published June 22, 2026
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Grafana | Grafana Enterprise | 11.6.0, 12.2.0, 12.3.0 |
| Grafana | Grafana OSS | 11.6.0, 12.2.0, 12.3.0 |
| chainguard | grafana-12.3 | 0, 0, 0 |
| wolfi | grafana-12.3 | 0, 0, 0 |
| chainguard | grafana-fips-12.2 | 0 |
| alpine | grafana | 0, 0, 0 |
| chainguard | grafana-fips-12.4 | 0, 0 |
| chainguard | grafana-fips-12.3 | 0, 0 |
| wolfi | grafana-12.4 | 0, 0, 0 |
| Grafana | Grafana Enterprise | 12.2.0, 12.3.0, 12.4.0 |
| chainguard | grafana-12.4 | 0, 0, 0 |
| Grafana | Grafana OSS | 12.2.0, 12.3.0, 12.4.0 |
| chainguard | grafana-12.2 | 0 |
| chainguard | grafana-11.6 | 0, 0, 0 |
Timeline
- Jun 22, 2026 CVE Published
- Jun 23, 2026 EPSS Score
- Jun 23, 2026 Security Advisory
- Jun 24, 2026 Security Advisory
- Jul 10, 2026 CVE Updated
- Aug 7, 2026 EPSS Score
- Aug 24, 2026 EPSS Score
- Aug 26, 2026 EPSS Score
- Aug 30, 2026 EPSS Score
- Sep 3, 2026 EPSS Score
- Sep 6, 2026 EPSS Score