HIGH · 7.5

CVE-2026-33382

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 alloca...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
GrafanaGrafana>= 11.6.0, < 11.6.15

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-33382?

CVE-2026-33382 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 alloca...

How severe is CVE-2026-33382?

CVE-2026-33382 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-33382?

Check the references section above for vendor advisories and patch information. Affected products include: Grafana Grafana.