Severity: critical Affected versions:
- Apache Causeway (org.apache.causeway:*) 2.0.0 through 3.4.0 - Apache Causeway (org.apache.causeway:*) 4.0.0-M1 Description: Apache Causeway faces Java deserialization vulnerabilities that allow remote code execution (RCE) through user-controllable URL parameters. These vulnerabilities affect all applications using Causeway's ViewModel functionality and can be exploited by authenticated attackers to execute arbitrary code with application privileges. This issue affects all current versions. Users are recommended to upgrade to version 3.5.0, which fixes the issue. This issue is being tracked as CAUSEWAY-3939 Credit: Slain Nico (reporter) References: https://causeway.apache.org/https://www.cve.org/CVERecord?id=CVE-2025-64408https://issues.apache.org/jira/browse/CAUSEWAY-3939
