In JetBrains Kotlin from 1.4-M1 to 1.4-RC (as Kotlin 1.3.7x is not affected by the issue. Fixed version is 1.4.0) there is a script-cache privilege escalation vulnerability due to kotlin-main-kts cached scripts in the system temp directory, which is shared by all users by default.
External References: https://blog.jetbrains.com/blog/2020/08/06/jetbrains-security-bulletin-q2-2020/
Marking Red Hat Fuse 7, Red Hat Integration Camel-K and Red Hat Integration Service Registry as not affected as no kotlin artifacts from the vulnerable range are distributed or used.
Statement: CodeReady Studio 12 is not affected by this flaw because it ships a previous version of kotlin-stdlib without the vulnerable code present. Red Hat Fuse 7, Red Hat Integration Camel-K and Red Hat Integration Service Registry are not affected by this flaw because no kotlin artifacts from the vulnerable range are distributed or used.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-15824