{"id":"CVE-2026-21727","revision":"9c031d434b584177bfdcb6e926535ac4","records":[{"revision":"9c031d434b584177bfdcb6e926535ac4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-21727","aliases":[],"title":"Grafana Correlations: Cross-Tenant Data Disclosure and Permanent Deletion via Legacy org_id=0 Record","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":"2026-04-15T18:57:25.185+00:00","modifiedAt":"2026-08-27T17:22:44.594+00:00","affected":[{"ecosystem":"Vendor product","name":"Grafana Correlations","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Grafana\",\n                    \"product\": \"Grafana Correlations\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"10.2.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"12.4.0\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","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://www.cve.org/CVERecord?id=CVE-2026-21727","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-21727","identifiers":["CVE-2026-21727"]},"retained":false,"historicalAffected":[]}],"coverage":[]}