In several versions of JetBrains IntelliJ IDEA Ultimate, creating Task Servers configurations leads to saving a cleartext unencrypted record of the server credentials in the IDE configuration files. The issue has been fixed in the following versions: 2019.1, 2018.3.5, 2018.2.8, and 2018.1.8.
IntelliJ IDEA XML parser was found vulnerable to XML External Entity attack, an attacker can exploit the vulnerability by implementing malicious code on both Androidmanifest.xml.