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CVE-2026-123287

HighCVSS 7.5/10Last modified Nov 12, 2026

Description

In JetBrains Datalore before 2026.4 private notebook files could be downloaded without authentication via published interactive reports

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

Vendor	Product	Versions
JetBrains	Datalore	< 2026.4

References

https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory

Timeline

Published: Nov 6, 2026
Last modified: Nov 12, 2026
NVD status: Analyzed

Related CVEs from 2026

CVE-2026-1232885.4In JetBrains Datalore before 2026.4 stored XSS in notebook charts was possible via Vega editor link CVE-2026-1232894.3In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files CVE-2026-123295.3Memory safety bug fixed in Thunderbird ESR 140.12. This vulnerability was fixed in Firefox ESR 140.12 and Thunderbird 140.12.CVE-2026-1232905.3In JetBrains Datalore before 2026.4 hidden notebook code was exposed to unauthenticated users via the public interactive report content endp CVE-2026-1232914.3In JetBrains Datalore before 2026.4 improper owner validation allowed reading another workspace's issues and runs notebook CVE-2026-1232922.7In JetBrains Datalore before 2026.4 aPI tokens and sessions of removed or banned users remained valid CVE-2026-1232937.8In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 code execution was possible in untrusted projects via the Terraform tool path setting CVE-2026-1232949.6In JetBrains Hub before 2026.2.52556 privilege escalation was possible by changing email authentication details during the verification flow CVE-2026-1232958.1In JetBrains Hub before 2026.2.52519 enforced two-factor authentication could be disabled via the profile update endpoint CVE-2026-1232967.5In JetBrains Hub before 2026.2.52519 privilege escalation via forged email verification was possible CVE-2026-1232976.8In JetBrains Hub before 2026.2.52519 two-factor authentication bypass was possible via the password reset flow CVE-2026-1232985.0In JetBrains Hub before 2026.2.52556 sMTP command injection via email verification was possible

CVE-2026-123287: High severity, CVSS 7.5 | Vulnix