Denial of Service Vulnerability in Grafana APIs
CVE-2026-33382

7.5HIGH

Key Information:

Vendor

Grafana
Status
Grafana Oss
Vendor
CVE Published:
10 July 2026

What is CVE-2026-33382?

Multiple API endpoints in Grafana are vulnerable to Denial of Service attacks due to insufficient request body size limits. Attackers can exploit this by sending large payloads to the APIs, resulting in excessive memory allocation. This can exhaust system memory, leading to potential service disruption for users.

Affected Version(s)

Grafana OSS 11.6.0 <= 11.6.14

Grafana OSS 12.2.0 <= 12.2.8

Grafana OSS 12.3.0 <= 12.3.6

References

https://grafana.com/security/security-advisories/cve-2026...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.