JetBrains TeamCity before 2021.2.1 was vulnerable to stored XSS.
In JetBrains TeamCity before 2021.2.1, XXE during the parsing of the configuration file was possible.
In JetBrains TeamCity before 2021.2.1, editing a user account to change its password didn't terminate sessions of the edited user.
In JetBrains TeamCity before 2021.2.1, URL injection leading to CSRF was possible.
In JetBrains YouTrack before 2021.4.31698, a custom logo could be set by a user who has read-only permissions.
JetBrains YouTrack before 2021.4.31698 was vulnerable to stored XSS on the Notification templates page.
In JetBrains IntelliJ IDEA before 2021.2.4, local code execution (without permission from a user) upon opening a project was possible.
In JetBrains IntelliJ IDEA before 2021.3.1, local code execution via RLO (Right-to-Left Override) characters was possible.
JetBrains YouTrack before 2021.4.36872 was vulnerable to stored XSS via a project icon.
In JetBrains Hub before 2021.1.13890, integration with JetBrains Account exposed an API key with excessive permissions.