CVE-2026-123837
Received Received - Intake

Command Injection in JetBrains IntelliJ IDEA via Tomcat WSL

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: JetBrains s.r.o.

Description
In JetBrains IntelliJ IDEA before 2026.3, 2026.2.1 command injection was possible in untrusted projects via Tomcat run configurations on WSL

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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-2026-123837
EUVD
EUVD-2026-118340

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains intellij_idea to 2026.3 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

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Executive Summary

This vulnerability is a command injection flaw in JetBrains IntelliJ IDEA versions before 2026.3. It allows attackers to execute arbitrary commands in untrusted projects via Tomcat run configurations when using Windows Subsystem for Linux (WSL).

Impact Analysis

An attacker could exploit this to run malicious commands on your system with the same privileges as IntelliJ IDEA. This may lead to data theft, system compromise, or further network infiltration depending on your environment.

Mitigation Strategies

Update JetBrains IntelliJ IDEA to version 2026.3 or later to address the command injection vulnerability in Tomcat run configurations on WSL.

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