CVE-2026-33382
HIGHGrafana OSS - Denial of Service via Unbounded Request Body Size
Title source: ruleDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://grafana.com/security/security-advisories/cve-2026-33382
Scores
CVSS v3
7.5
EPSS
0.0039
EPSS Percentile
31.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (6)
grafana/grafana
11.6.0 - 11.6.15
Grafana/Grafana OSS
11.6.0 - 11.6.14
Grafana/Grafana OSS
12.2.0 - 12.2.8
Grafana/Grafana OSS
12.3.0 - 12.3.6
Grafana/Grafana OSS
12.4.0 - 12.4.3
Grafana/Grafana OSS
13.0.0 - 13.0.1
Published
Jul 10, 2026
Tracked Since
Jul 10, 2026