JetBrains security advisory (AV26-541) – Canadian Centre for Cyber Security

Serial number: AV26-541
Date: June 2, 2026

On May 29, 2026, JetBrains published security advisories to address vulnerabilities in the following products:

• JetBrains IntelliJ IDEA – versions prior to 2026.1.1
• JetBrains TeamCity – versions prior to 2026.1.1 and 2025.11.5
• JetBrains YouTrack – versions prior to 2026.1.13162

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.