Command Injection Vulnerability in JetBrains IntelliJ IDEA
CVE-2026-123837

7.8HIGH

Key Information:

Vendor

Jetbrains
Status
Intellij Idea
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123837?

A command injection vulnerability exists in JetBrains IntelliJ IDEA prior to version 2026.3, specifically affecting the Tomcat run configurations for untrusted projects on Windows Subsystem for Linux (WSL). This flaw allows for potential execution of unauthorized commands when appropriate security measures are not implemented, highlighting the importance of secure project management in development environments.

Affected Version(s)

IntelliJ IDEA 0 < 2026.3, 2026.2.1

References

https://www.jetbrains.com/privacy-security/issues-fixed/

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.