Executive brief
The AWS Advanced JDBC Wrapper is a database connectivity tool used by applications to interact with relational databases. A deserialization vulnerability in its RemoteQueryCachePlugin component allows an attacker to execute arbitrary code by sending specially crafted serialized objects, potentially compromising the confidentiality, integrity, and availability of database-connected systems.
Technical details
The vulnerability is a classic insecure deserialization flaw in the RemoteQueryCachePlugin component of AWS Advanced JDBC Wrapper. The plugin deserializes untrusted data without proper validation, allowing an attacker to craft malicious serialized objects that execute arbitrary code when deserialized. The attack vector is likely network-based, as the plugin appears to handle remote query caching, though specific authentication and precondition requirements are not detailed in the available advisory content. Successful exploitation allows remote code execution, which could lead to full system compromise. A patch or update is presumed to be available from AWS given the security bulletin, though specific version information is not provided in the truncated advisory.
Affected products
- AWS Advanced JDBC Wrapper <UNKNOWN>
Timeline
- 2026-09-22: disclosed