Deserialization Vulnerability in AWS Advanced JDBC Wrapper by Amazon
CVE-2026-14265

7.7HIGH

Key Information:

Vendor

Aws

Status
Aws Advanced Jdbc Wrapper
Vendor
CVE Published:
1 July 2026

What is CVE-2026-14265?

The AWS Advanced JDBC Wrapper contains a deserialization vulnerability within the RemoteQueryCachePlugin. This vulnerability allows an actor with write access to the shared cache infrastructure to execute arbitrary code on application servers. By exploiting the lack of class filtering in ObjectInputStream during the deserialization of cached query results from Redis or Valkey, an attacker can craft a malicious serialized Java object. This vulnerability occurs specifically in versions 3.3.0 through 4.0.0, enabling potential gadget chain execution when cache entries are compromised. It is recommended to upgrade to version 4.0.1 or later to mitigate this issue.

Affected Version(s)

AWS Advanced JDBC Wrapper 3.3.0 <= 4.0.0

References

https://github.com/aws/aws-advanced-jdbc-wrapper/releases...
patch
https://aws.amazon.com/security/security-bulletins/2026-0...
vendor-advisory
https://github.com/aws/aws-advanced-jdbc-wrapper/security...
third-party-advisory

CVSS V4

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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