CVE-2026-123288Medium· 5.4▾ SunlitIn JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
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 stored XSS in notebook charts was possible via Vega editor link
Datalore < 2026.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-123834High· 7.5In JetBrains Datalore before 2026.4 improper scope validation in database tasks allowed using another workspace's service account
CVE-2026-123836High· 8.8In JetBrains Datalore before 2026.4 workspace collaborators could obtain the owner's SSH private key via Git backup
CVE-2026-123835Medium· 5.9In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition
CVE-2026-123280High· 8.1In JetBrains Datalore before 2026.2.4 unauthenticated users could execute code via published interactive reports
CVE-2026-123282High· 7.4In JetBrains Datalore before 2026.4 missing expiration validation of account tokens allowed a new authenticated session
CVE-2026-123281High· 7.5In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker