Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-33382

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
10/07/2026
Last modified:
13/07/2026

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* 11.6.0 (including) 11.6.15 (excluding)
cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* 12.2.0 (including) 12.2.9 (excluding)
cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* 12.3.0 (including) 12.3.7 (excluding)
cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* 12.4.0 (including) 12.4.4 (excluding)
cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* 13.0.0 (including) 13.0.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools