VulnerabilityAnalyzed
CVE-2026-33382
An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.
HIGH 7.5EPSS 0.39%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.39% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- grafana/grafana
- Source
- security@grafana.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.