{"id":"CVE-2026-123289","title":"In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files","summary":"In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-863"],"vendor":"JetBrains","product":"Datalore","affected":["Datalore < 2026.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T14:02:26.131216Z"},"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T14:42:51.356Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123289","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T10:49:35.371Z","slug":"CVE-2026-123289","body":"## Overview\n\nIn JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files\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":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}