CVE-2026-33382

Published: Jul 10, 2026Modified: Jul 13, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: security@grafana.com (Secondary)

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 (5)

Products: Grafana: Grafana

Grafana

1 product

Grafana

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Grafana Grafana	From 11.6.0 to 11.6.15
Grafana Grafana	From 12.2.0 to 12.2.9
Grafana Grafana	From 12.3.0 to 12.3.7
Grafana Grafana	From 12.4.0 to 12.4.4
Grafana Grafana	From 13.0.0 to 13.0.2

Related CWEs

CWE-400

Uncontrolled Resource Consumption

The product 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.

References (1)

https://grafana.com/security/security-advisories/cve-2026-33382

Source: security@grafana.com

Vendor Advisory

Timeline

No history available yet.