In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

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.

Affected Vendors & Products

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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 11:45:00 +0000

Type Values Removed Values Added
Title Notebook Code Execution via Sidecar Container Mount Broker in JetBrains Datalore

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

Type Values Removed Values Added
Description In JetBrains Datalore before 2026.4 notebook code could execute commands in the sidecar container via the mount broker
Weaknesses CWE-88
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-11-06T10:27:48.743Z

Reserved: 2026-11-05T18:38:13.772Z

Link: CVE-2026-123281

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T11:17:06.390

Modified: 2026-11-06T11:17:06.390

Link: CVE-2026-123281

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T11:30:03Z

Weaknesses