Directory Traversal in APIkit, HTTP connector, and OAuth2 Provider components in MuleSoft Mule Runtime 3.2.0 and higher released before August 1 2019, MuleSoft Mule Runtime 4.1.0 and higher released before August 1 2019, and all versions of MuleSoft API Gateway released before August 1 2019 allow remote attackers to read files accessible to the Mule process.