CVE-2026-33382
Denial of service via unbounded request body size
CVSS Score
7.5
EPSS Score
0.4%
EPSS Percentile
30th
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.
| CWE | CWE-400 |
| Vendor | grafana |
| Product | grafana oss |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 10, 2026 |
| Last Updated | Jul 16, 2026 |
Stay Ahead of the Next One
Get instant alerts for grafana grafana oss
Be the first to know when new high vulnerabilities affecting grafana grafana oss are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Grafana / Grafana OSS
11.6.0 ≤ 11.6.14 12.2.0 ≤ 12.2.8 12.3.0 ≤ 12.3.6 12.4.0 ≤ 12.4.3 13.0.0 ≤ 13.0.1