VULNERABILITY INTELLIGENCE
CVE-2026-33374
CVSS score6.5 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-10-13
Last modified2026-10-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Description
The Prometheus rule conversion API endpoints in Grafana do not limit request body size, allowing authenticated users to trigger unbounded memory allocations that can crash the server through out-of-memory conditions.
Weakness classification
- security@grafana.com: CWE-400