{"id":"CVE-2026-33374","revision":"4b24351390854c5e99e973c2e700a8a9","records":[{"revision":"4b24351390854c5e99e973c2e700a8a9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-33374","aliases":[],"title":"Unbounded memory allocation in the Prometheus rule conversion API","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.","state":0,"publishedAt":"2026-10-13T17:05:49.782+00:00","modifiedAt":"2026-10-13T19:21:25.512+00:00","affected":[{"ecosystem":"Vendor product","name":"Grafana Enterprise","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Grafana Enterprise\",\n                    \"vendor\": \"Grafana\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"12.3.11\",\n                            \"status\": \"affected\",\n                            \"version\": \"12.0.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"12.4.13\",\n                            \"status\": \"affected\",\n                            \"version\": \"12.4.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"13.0.11\",\n                            \"status\": \"affected\",\n                            \"version\": \"13.0.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"13.1.8\",\n                            \"status\": \"affected\",\n                            \"version\": \"13.1.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"13.2.4\",\n                            \"status\": \"affected\",\n                            \"version\": \"13.2.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Grafana OSS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"defaultStatus\": \"unaffected\",\n                    \"product\": \"Grafana OSS\",\n                    \"vendor\": \"Grafana\",\n                    \"versions\": [\n                        {\n                            \"lessThanOrEqual\": \"12.3.11\",\n                            \"status\": \"affected\",\n                            \"version\": \"12.0.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"12.4.13\",\n                            \"status\": \"affected\",\n                            \"version\": \"12.4.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"13.0.11\",\n                            \"status\": \"affected\",\n                            \"version\": \"13.0.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"13.1.8\",\n                            \"status\": \"affected\",\n                            \"version\": \"13.1.0\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"lessThan\": \"13.2.4\",\n                            \"status\": \"affected\",\n                            \"version\": \"13.2.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://grafana.com/security/security-advisories/cve-2026-33374"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-33374","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-33374","identifiers":["CVE-2026-33374"]},"retained":false,"historicalAffected":[]}],"coverage":[]}