{"id":"CVE-2026-33374","title":"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.","summary":"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.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400","CWE-770","CWE-789"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T20:17:28.793","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-33374","references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-33374","label":"security@grafana.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T18:41:42.743Z","slug":"CVE-2026-33374","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}