Jetty Session Fixation Vulnerability - CVE-2018-12538
In Eclipse Jetty versions 9.4.0 through 9.4.8 when using the optional Jetty provided FileSessionDataStore for persistent storage of HttpSession details it is possible for a malicious user to access/hijack other HttpSessions and even delete unmatched HttpSessions present in the FileSystem39s storage for the FileSessionDataStore.