{"id":"CVE-2026-19475","state":"PUBLISHED","title":"SQL Data Source Plugin: OOM DoS via $__timeGroup macro","description":"An authenticated user with permission to query a SQL data source can bypass the fix for CVE-2026-33375 by injecting the timeGroup macro through a WHERE clause, which Grafana's regex-based macro parsing does not reject. Evaluating the injected macro causes uncontrolled memory consumption that can terminate the Grafana server process, resulting in a denial of service. The Microsoft SQL Server, PostgreSQL, and MySQL data sources are affected.","publishedAt":"2026-09-02T15:56:33.568Z","updatedAt":"2026-09-03T08:08:02.649Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"GRAFANA"},"assigner":"GRAFANA","products":["Grafana PostgreSQL Datasource","Grafana MySQL Datasource","Grafana Grafana OSS","Grafana Microsoft SQL Server Datasource"],"affected":[{"vendor":"Grafana","product":"PostgreSQL Datasource","defaultStatus":"unaffected","versions":[{"version":"13.0.0","status":"affected","lessThanOrEqual":"13.0.1","versionType":"semver"}]},{"vendor":"Grafana","product":"MySQL Datasource","defaultStatus":"unaffected","versions":[{"version":"13.0.0","status":"affected","lessThanOrEqual":"13.0.2","versionType":"semver"}]},{"vendor":"Grafana","product":"Grafana OSS","defaultStatus":"unaffected","versions":[{"version":"11.6.0","status":"affected","lessThanOrEqual":"11.6.16","versionType":"semver"},{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.0.10","versionType":"semver"},{"version":"12.1.0","status":"affected","lessThanOrEqual":"12.1.10","versionType":"semver"},{"version":"12.2.0","status":"affected","lessThanOrEqual":"12.2.10","versionType":"semver"},{"version":"12.3.0","status":"affected","lessThanOrEqual":"12.3.11","versionType":"semver"},{"version":"12.4.0","status":"affected","lessThanOrEqual":"12.4.9","versionType":"semver"},{"version":"13.0.0","status":"affected","lessThanOrEqual":"13.0.7","versionType":"semver"},{"version":"13.1.0","status":"affected","lessThanOrEqual":"13.1.4","versionType":"semver"}]},{"vendor":"Grafana","product":"Microsoft SQL Server Datasource","defaultStatus":"unaffected","versions":[{"version":"13.0.0","status":"affected","lessThanOrEqual":"13.0.1","versionType":"semver"}]}],"references":["https://grafana.com/security/security-advisories/cve-2026-19475"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19475.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19475","state":"PUBLISHED","datePublished":"2026-09-02T15:56:33.568Z","dateUpdated":"2026-09-03T08:08:02.649Z","assignerShortName":"GRAFANA","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","dateReserved":"2026-08-10T14:51:01.083Z"},"containers":{"cna":{"title":"SQL Data Source Plugin: OOM DoS via $__timeGroup macro","descriptions":[{"lang":"en","value":"An authenticated user with permission to query a SQL data source can bypass the fix for CVE-2026-33375 by injecting the timeGroup macro through a WHERE clause, which Grafana's regex-based macro parsing does not reject. 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