Code Execution Vulnerability in JetBrains IntelliJ IDEA
CVE-2026-123841

7.8HIGH

Key Information:

Vendor

Jetbrains
Status
Intellij Idea
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123841?

In JetBrains IntelliJ IDEA prior to version 2026.3, a security vulnerability allows for code execution through symlinks found in imported settings archives. This attack vector can potentially compromise the integrity and security of the application, leading to unauthorized access and execution of malicious code.

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

.