{"id":"CVE-2026-21727","revision":"112a64bac6d24d048f806851a39809d2","records":[{"revision":"112a64bac6d24d048f806851a39809d2","observedAt":"2026-10-25T05:17:32.026+00:00","statement":{"source":"nvd","id":"CVE-2026-21727","aliases":[],"title":"A cross-tenant isolation vulnerability was found in Grafana’s Correlations feature affecting legacy correlation records. Due to a backward compatibility condition allowing org_id = 0 records to be returned across organizations, a user with …","description":"A cross-tenant isolation vulnerability was found in Grafana’s Correlations feature affecting legacy correlation records. Due to a backward compatibility condition allowing org_id = 0 records to be returned across organizations, a user with datasource management privileges could read and permanently delete legacy correlation data belonging to another organization. This issue affects correlations created prior to Grafana 10.2 and is fixed in >=11.6.11, >=12.0.9, >=12.1.6, and >=12.2.4.\n\nThanks to Gyu-hyeok Lee (g2h) for reporting this vulnerability.","state":0,"publishedAt":"2026-04-15T20:16:34.29+00:00","modifiedAt":"2026-08-19T19:17:14.593+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security@grafana.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","score":3.3,"severity":"LOW"}],"references":["https://grafana.com/security/security-advisories/cve-2026-21727"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-21727","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Modified","weaknesses":["CWE-732"],"productCriteria":["cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-04-15T20:16:34.290","lastModified":"2026-08-19T19:17:14.593"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-21727","identifiers":["CVE-2026-21727"]},"retained":false,"historicalAffected":[]}],"coverage":[]}