IntelliJ IDEA Safe Mode allows code execution via project JVM options
Opening a project in Safe Mode can let attackers hack your PC.
Summary
In JetBrains IntelliJ IDEA, project-controlled JVM options of the build process allow code execution in Safe Mode. Versions before 2026.3 and before 2026.2.2 are affected.
Affected when
- Opening a project in Safe Mode
- IntelliJ IDEA before 2026.3 or 2026.2.2
What to do
Update IntelliJ IDEA to 2026.3 or 2026.2.2 or later.
Update to at least the version for your product:
- JetBrains IntelliJ IDEA 2026.3 2026.3 or later
- JetBrains IntelliJ IDEA 2026.2 2026.2.2 or later
Products and platforms
CVE IDs
Sources
- CVE record: cve.org (opens in a new tab)
Times
First published
First seen