Grafana API Unauthenticated Oversize DoS
CVE-2026-33382 Published on July 10, 2026
Denial of service via unbounded request body size
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.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-33382 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-33382
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Affected Versions
Grafana OSS:- Version 11.6.0, <= 11.6.14 is affected.
- Version 12.2.0, <= 12.2.8 is affected.
- Version 12.3.0, <= 12.3.6 is affected.
- Version 12.4.0, <= 12.4.3 is affected.
- Version 13.0.0, <= 13.0.1 is affected.