{"id":"CVE-2026-123291","aliases":["EUVD-2026-118056","GHSA-4m7j-f8qg-366m"],"status":"published","title":"In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's...","description":"In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0025,"percentile":0.16481,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-11-06T10:27:53Z","modified":"2026-11-06T14:43:21Z","products":[{"vendor":"jetbrains","product":"datalore"}],"references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123291"},{"url":"https://www.jetbrains.com/privacy-security/issues-fixed"},{"url":"https://github.com/advisories/GHSA-4m7j-f8qg-366m"}],"sources":{"cve":[{"id":"CVE-2026-123291","description":"In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook","status":"published","published":"2026-11-06T10:27:53.591Z","modified":"2026-11-06T14:43:21.685Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-06T15:28:32.799664Z"}],"euvd":[{"id":"EUVD-2026-118056","description":"In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook","status":"published","published":"2026-11-06T10:27:53Z","modified":"2026-11-06T14:43:21Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-06T16:05:20.373498Z"}],"ghsa":[{"id":"GHSA-4m7j-f8qg-366m","title":"In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's...","description":"In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook","status":"published","published":"2026-11-06T12:30:38Z","modified":"2026-11-06T12:30:38Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-06T13:00:04.317934Z"}],"nvd":[{"id":"CVE-2026-123291","description":"In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook","status":"published","published":"2026-11-06T11:17:07.73Z","modified":"2026-11-06T21:29:48.8Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-07T00:02:36.552517Z"}]}}