CVE-2026-59321 Shared JSR-223 ScriptEngine evaluated concurrently without THREADING check

A single ScriptEngine instance is reused for every message on a script-backed channel. For JSR-223 engines that report THREADING=null not thread-safe, e.g. the Kotlin kts engine, concurrent message processing can corrupt engine-internal state, potentially leaking one message's payload/headers...

CVE-2026-46621: Improper Control of Generation of Code

Yamcs is a mission control framework. Prior to 5.12.7, the Yamcs script evaluation engine for Python algorithms dynamically compiled and evaluated user-controlled algorithm text using Jython through the JSR-223 ScriptEngine API without enforcing a secure sandbox, so an authenticated user with the...