Unsynchronized Access to Shared Data in a Multithreaded Context

Overview Affected versions of this package are vulnerable to Unsynchronized Access to Shared Data in a Multithreaded Context in the JSON plugin's SMD/JSON-RPC handling. An attacker can access response content intended for another user's session by making concurrent requests, potentially exposing...

PT-2026-72883

Exposure of data element to wrong session vulnerability in the JSON plugin of Apache Struts. Per-response serialization state could be shared across concurrent requests, allowing response content associated with one request to become observable in another. Only the SMD / JSON-RPC handling of the...