{"id":"BIT-grafana-2026-33374","summary":"Unbounded memory allocation in the Prometheus rule conversion API","details":"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.","aliases":["CVE-2026-33374"],"modified":"2026-10-20T10:30:04.593565659Z","published":"2026-10-20T08:44:57.938Z","database_specific":{"cpes":["cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:*:*:*","cpe:2.3:a:grafana:grafana:*:*:*:*:*:go:*:*","cpe:2.3:a:grafana:grafana:*:*:*:*:enterprise:go:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://grafana.com/security/security-advisories/cve-2026-33374"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33374"}],"affected":[{"package":{"name":"grafana","ecosystem":"Bitnami","purl":"pkg:bitnami/grafana"},"ranges":[{"type":"SEMVER","events":[{"introduced":"12.0.0"},{"fixed":"12.4.13"},{"introduced":"13.0.0"},{"fixed":"13.0.11"},{"introduced":"13.1.0"},{"fixed":"13.1.8"},{"introduced":"13.2.0"},{"fixed":"13.2.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/grafana/BIT-grafana-2026-33374.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}