CVE-2025-33042
February 13, 2026
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.
Affected Packages
https://github.com/apache/avro.git (GITHUB):
Affected version(s) >=release-1.12.0-rc0 <release-1.12.1Fix Suggestion:
Update to version release-1.12.1https://github.com/apache/avro.git (GITHUB):
Affected version(s) >=release-1.0.0 <release-1.11.5Fix Suggestion:
Update to version release-1.11.5org.apache.avro:avro (JAVA):
Affected version(s) >=1.4.0 <1.11.5Fix Suggestion:
Update to version 1.11.5org.apache.avro:avro-compiler (JAVA):
Affected version(s) >=1.5.0 <1.11.5Fix Suggestion:
Update to version 1.11.5org.apache.avro:avro (JAVA):
Affected version(s) =1.12.0 <1.12.1Fix Suggestion:
Update to version 1.12.1org.apache.avro:avro-compiler (JAVA):
Affected version(s) >=1.12.0 <1.12.1Fix Suggestion:
Update to version 1.12.1Related Resources (8)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Control of Generation of Code ('Code Injection')
EPSS
Base Score:
0.01
