{"api_version":"1","generated_at":"2026-04-22T21:39:43+00:00","cve":"CVE-2026-21727","urls":{"html":"https://cve.report/CVE-2026-21727","api":"https://cve.report/api/cve/CVE-2026-21727.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-21727","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-21727"},"summary":{"title":"Grafana Correlations: Cross-Tenant Data Disclosure and Permanent Deletion via Legacy org_id=0 Record","description":"---\ntitle: Cross-Tenant Legacy Correlation Disclosure and Deletion\ndraft: false\nhero:\n  image: /static/img/heros/hero-legal2.svg\n  content: \"# Cross-Tenant Legacy Correlation Disclosure and Deletion\"\ndate: 2026-01-29\nproduct: Grafana\nseverity: Low\ncve: CVE-2026-21727\ncvss_score: \"3.3\"\ncvss_vector: \"CVSS:3.3/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N\"\nfixed_versions:\n  - \">=11.6.11 >=12.0.9 >=12.1.6 >=12.2.4\"\n---\nA 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. 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