{"id":"GHSA-p5x9-j974-rpfp","revision":"b2d1dfc11bef44a9ae0801db7169acf5","records":[{"revision":"b2d1dfc11bef44a9ae0801db7169acf5","observedAt":"2026-10-24T13:19:41.952+00:00","statement":{"source":"osv","id":"GHSA-p5x9-j974-rpfp","aliases":["BIT-grafana-2026-21727","CVE-2026-21727","GO-2026-6664"],"title":"Grafana legacy correlations allow cross-tenant disclosure and deletion","description":"---\nhero:\n  image: /static/img/heros/hero-legal2.svg\n  content: \"# Cross-Tenant Legacy Correlation Disclosure and Deletion\"\ndate: 2026-01-29\nproduct: Grafana\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. 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":"2026-04-15T21:30:18+00:00","modifiedAt":"2026-10-07T17:55:45.0299662+00:00","affected":[{"ecosystem":"Go","name":"github.com/grafana/grafana","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.9.2-0.20260127141016-e702db6096e0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"LOW"}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2026-21727","https://github.com/grafana/grafana/commit/2b2847625b8a77ba47128ccb5ecbcd72542cb9bc","https://github.com/grafana/grafana/commit/2cf0dd6fde3f5a2b92864e2376ae5378c7df45e2","https://github.com/grafana/grafana/commit/4010ee30bb441bc399a1f37bdc8ab55ec909f3b7","https://github.com/grafana/grafana/commit/8e7ea333991d913298bd68d4787da9c6977a0a8c","https://github.com/grafana/grafana/commit/a9a98fc4327182d1bdb9a74b5c2938d5c127e764","https://github.com/grafana/grafana/commit/e702db6096e0509ff2825f732697f077e9e6289f","https://github.com/grafana/grafana","https://grafana.com/security/security-advisories/cve-2026-21727"],"sourceUrl":"https://github.com/advisories/GHSA-p5x9-j974-rpfp","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-p5x9-j974-rpfp","identifiers":["GHSA-p5x9-j974-rpfp","BIT-grafana-2026-21727","CVE-2026-21727","GO-2026-6664"]},"retained":false,"historicalAffected":[]}],"coverage":[]}