CVE-2026-123279 In JetBrains Datalore before 2026.4 code execution was possible in a notebook's computation by view-only collaborators

CriticalCVSS 9.0

Published: 2026-11-06 12:27
Updated: 2026-11-10 20:31
Exploit status: No public exploit known

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Description

In JetBrains Datalore before 2026.4 code execution was possible in a notebook's computation by view-only collaborators

Affected products

Product	Affected versions	Fixed in
JetBrains Datalore	< 2026.4	2026.4

References

www.jetbrains.com

CVSS v3.1

9.0 Critical

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: Required
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Weakness & likelihood

EPSS (exploitation probability, 30 days): Not available
CWE: CWE-863

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.