Medium · published August 28, 2026
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 bindings into another message's script evaluation or throwing spurious exceptions.
Spring Integration 7.1.0
Spring Integration 7.0.0 - 7.0.5
Spring Integration 6.5.0 - 6.5.10
Spring Integration 6.4.0 - 6.4.12
Spring Integration 5.5.21 and earlier
| Product | Versions | Fixed in |
|---|---|---|
| vmware/spring_integration | ≤ 5.5.21 | — |
| vmware/spring_integration | ≥ 6.4.0, ≤ 6.4.12 | — |
| vmware/spring_integration | ≥ 6.5.0, ≤ 6.5.10 | — |
| vmware/spring_integration | ≥ 7.0.0, < 7.0.5.1 | 7.0.5.1 |
| vmware/spring_integration | ≥ 7.1.0, < 7.1.0.1 | 7.1.0.1 |