{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33374","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","state":"PUBLISHED","assignerShortName":"GRAFANA","dateReserved":"2026-03-19T07:55:06.977Z","datePublished":"2026-10-13T17:05:49.782Z","dateUpdated":"2026-10-13T19:21:25.512Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Grafana Enterprise","vendor":"Grafana","versions":[{"lessThanOrEqual":"12.3.11","status":"affected","version":"12.0.0","versionType":"semver"},{"lessThan":"12.4.13","status":"affected","version":"12.4.0","versionType":"semver"},{"lessThan":"13.0.11","status":"affected","version":"13.0.0","versionType":"semver"},{"lessThan":"13.1.8","status":"affected","version":"13.1.0","versionType":"semver"},{"lessThan":"13.2.4","status":"affected","version":"13.2.0","versionType":"semver"}]},{"defaultStatus":"unaffected","product":"Grafana OSS","vendor":"Grafana","versions":[{"lessThanOrEqual":"12.3.11","status":"affected","version":"12.0.0","versionType":"semver"},{"lessThan":"12.4.13","status":"affected","version":"12.4.0","versionType":"semver"},{"lessThan":"13.0.11","status":"affected","version":"13.0.0","versionType":"semver"},{"lessThan":"13.1.8","status":"affected","version":"13.1.0","versionType":"semver"},{"lessThan":"13.2.4","status":"affected","version":"13.2.0","versionType":"semver"}]}],"datePublic":"2026-10-13T11:41:03.000Z","descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"CWE-770","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-400","description":"CWE-400","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-789","description":"CWE-789","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","shortName":"GRAFANA","dateUpdated":"2026-10-13T17:05:49.782Z"},"references":[{"tags":["vendor-advisory"],"url":"https://grafana.com/security/security-advisories/cve-2026-33374"}],"source":{"discovery":"INTERNAL_FINDING"},"title":"Unbounded memory allocation in the Prometheus rule conversion API"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-33374","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-13T17:25:44.714882Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-13T19:21:25.512Z"}}]}}