CVE-2026-123289

Improper Authorization in JetBrains Datalore Allowing File Modification by Notebook Viewers

Published Nov 6, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:jetbrains:datalore:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains datalore
Vendors & Products Jetbrains
Jetbrains datalore
Type Values Removed Values Added
Title Improper Authorization in JetBrains Datalore Allowing File Modification by Notebook Viewers
Type Values Removed Values Added
Description In JetBrains Datalore before 2026.4 improper authorisation allowed notebook viewers to modify files
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Nov 6, 2026, 2:42 PM
Reserved
Nov 5, 2026, 6:38 PM
Status
Analyzed
Published
Nov 6, 2026, 11:17 AM
Modified
Nov 12, 2026, 9:17 PM