In JetBrains Datalore before 2026.4 improper authorisation allowed read the notebook owner's file storage session token

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
JetBrains Datalore unaffected
Version Status Constraints
0 affected < 2026.4

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jetbrains.com/privacy-security/issues-fixed/ cve-icon cve-icon
History

Fri, 06 Nov 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains datalore
Vendors & Products Jetbrains
Jetbrains datalore

Fri, 06 Nov 2026 11:45:00 +0000

Type Values Removed Values Added
Title Improper Authorization Enables Retrieval of Notebook Owner's File Storage Session Token

Fri, 06 Nov 2026 10:30:00 +0000

Type Values Removed Values Added
Description In JetBrains Datalore before 2026.4 improper authorisation allowed read the notebook owner's file storage session token
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-11-06T10:27:51.092Z

Reserved: 2026-11-05T18:38:16.079Z

Link: CVE-2026-123286

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T11:17:07.047

Modified: 2026-11-06T11:17:07.047

Link: CVE-2026-123286

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T12:00:04Z

Weaknesses