CVE-2026-123289Medium· 5.4▾ SunlitIn JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files
Datalore < 2026.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-123280High· 8.1In JetBrains Datalore before 2026.2.4 unauthenticated users could execute code via published interactive reports
CVE-2026-123279Critical· 9.0In JetBrains Datalore before 2026.4 code execution was possible in a notebook's computation by view-only collaborators
CVE-2026-123284Medium· 6.5In JetBrains Datalore before 2026.4 improper authorisation on workspace moves allowed view-only collaborators to modify shared content
CVE-2026-123287Medium· 5.9In JetBrains Datalore before 2026.4 private notebook files could be downloaded without authentication via published interactive reports
CVE-2026-123286Medium· 5.9In JetBrains Datalore before 2026.4 improper authorisation allowed read the notebook owner's file storage session token
CVE-2026-123834High· 7.5In JetBrains Datalore before 2026.4 improper scope validation in database tasks allowed using another workspace's service account