{"id":"CVE-2026-123281","title":"In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker","summary":"In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-88"],"vendor":"JetBrains","product":"Datalore","affected":["Datalore < 2026.4"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T10:27:48.743Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123281","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T10:49:35.375Z","slug":"CVE-2026-123281","body":"## Overview\n\nIn JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker\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":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}