{"id":"CVE-2026-33378","state":"PUBLISHED","title":"Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro","description":"Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server.","publishedAt":"2026-05-13T19:28:37.606Z","updatedAt":"2026-08-27T17:22:48.777Z","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 Grafana OSS"],"affected":[{"vendor":"Grafana","product":"Grafana OSS","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"11.6.14","versionType":"semver"},{"version":"11.6.14","status":"affected","lessThan":"11.6.14+security-04","versionType":"custom"},{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.2.8","versionType":"semver"},{"version":"12.2.8","status":"affected","lessThan":"12.2.8+security-04","versionType":"custom"},{"version":"12.3.0","status":"affected","lessThanOrEqual":"12.3.6","versionType":"semver"},{"version":"12.3.6","status":"affected","lessThan":"12.3.6+security-04","versionType":"custom"},{"version":"12.4.0","status":"affected","lessThanOrEqual":"12.4.3","versionType":"semver"},{"version":"12.4.3","status":"affected","lessThan":"12.4.3+security-02","versionType":"custom"},{"version":"13.0.0","status":"affected","lessThanOrEqual":"13.0.1","versionType":"semver"},{"version":"13.0.1","status":"affected","lessThan":"13.0.1+security-01","versionType":"custom"}]}],"references":["https://grafana.com/security/security-advisories/cve-2026-33378"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33378.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33378","state":"PUBLISHED","datePublished":"2026-05-13T19:28:37.606Z","dateUpdated":"2026-08-27T17:22:48.777Z","assignerShortName":"GRAFANA","assignerOrgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","dateReserved":"2026-03-19T07:55:06.977Z"},"containers":{"cna":{"title":"Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro","descriptions":[{"lang":"en","value":"Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server."}],"affected":[{"vendor":"Grafana","product":"Grafana OSS","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"11.6.14","versionType":"semver"},{"version":"11.6.14","status":"affected","lessThan":"11.6.14+security-04","versionType":"custom"},{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.2.8","versionType":"semver"},{"version":"12.2.8","status":"affected","lessThan":"12.2.8+security-04","versionType":"custom"},{"version":"12.3.0","status":"affected","lessThanOrEqual":"12.3.6","versionType":"semver"},{"version":"12.3.6","status":"affected","lessThan":"12.3.6+security-04","versionType":"custom"},{"version":"12.4.0","status":"affected","lessThanOrEqual":"12.4.3","versionType":"semver"},{"version":"12.4.3","status":"affected","lessThan":"12.4.3+security-02","versionType":"custom"},{"version":"13.0.0","status":"affected","lessThanOrEqual":"13.0.1","versionType":"semver"},{"version":"13.0.1","status":"affected","lessThan":"13.0.1+security-01","versionType":"custom"}]}],"references":[{"url":"https://grafana.com/security/security-advisories/cve-2026-33378","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","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"}}],"providerMetadata":{"shortName":"GRAFANA","orgId":"57da9224-a3e2-4646-9d0e-c4dc2e05e7da","dateUpdated":"2026-08-27T17:22:48.777Z"},"datePublic":"2026-05-13T07:44:00.000Z","source":{"discovery":"BUG_BOUNTY"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-14T12:33:44.094482Z","id":"CVE-2026-33378","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-14T12:33:58.842Z"}}]}}}