CVE-2026-123835
Received Received - Intake

Code Execution via Init Script Upload Race Condition in JetBrains Datalore

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: JetBrains s.r.o.

Description
In JetBrains Datalore before 2026.4 code execution was possible in another user's computation via an init script upload race condition

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Meta Information

Published
2026-11-06
Last Modified
2026-11-06
Generated
2026-11-06
AI Q&A
2026-11-06
EPSS Evaluated
N/A
NVD
CVE-2026-123835
EUVD
EUVD-2026-118338

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
JetBrains Datalore From 0 (inc) to 2026.4 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-367 The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

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Executive Summary

This vulnerability in JetBrains Datalore before 2026.4 allows code execution in another user's computation due to a race condition during init script upload.

Impact Analysis

An attacker could exploit this to execute malicious code in your Datalore computations, potentially stealing data or disrupting your work.

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