CVE-2025-33042

Apache Avro Java SDK is Vulnerable to Code Injection

Description

Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Avro Java SDK when generating specific records from untrusted Avro schemas.

This issue affects Apache Avro Java SDK: all versions through 1.11.4 and version 1.12.0.

Users are recommended to upgrade to version 1.12.1 or 1.11.5, which fix the issue.

Patch Available

Fix available through Seal Security.  
No upgrade required, protect your application instantly.

Fix without upgrading

Score

7.3

Severity

High

Ecosystem

Java

Publish Date

February 13, 2026

Modified Date

May 20, 2026

Score Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Versions