{"id":"CVE-2026-123286","title":"In JetBrains Datalore before 2026.4 improper authorisation allowed read the notebook owner's file storage session token","summary":"In JetBrains Datalore before 2026.4 improper authorisation allowed read the notebook owner's file storage session token","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N","cvssSource":"cna","cwe":["CWE-863"],"vendor":"JetBrains","product":"Datalore","affected":["Datalore < 2026.4"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T10:27:51.092Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123286","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T10:49:35.370Z","slug":"CVE-2026-123286","body":"## Overview\n\nIn JetBrains Datalore before 2026.4 improper authorisation allowed read the notebook owner's file storage session token\n\n## Affected\n\n- `Datalore < 2026.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}