Code Execution Vulnerability in JetBrains IntelliJ IDEA Affecting Untrusted Projects
CVE-2026-123304

7.8HIGH

Key Information:

Vendor

Jetbrains
Status
Intellij Idea
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123304?

A vulnerability exists in JetBrains IntelliJ IDEA prior to version 2026.3, allowing code execution when working with untrusted projects due to an improperly configured ShellCheck path. This flaw can be exploited by malicious code present in an untrusted project, posing a risk to users and their systems.

Affected Version(s)

IntelliJ IDEA 0 < 2026.3

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

.