CVE-2025-64408 Apache Causeway: Java deserialization vulnerability to authenticated attackers
Authenticated attackers can achieve remote code execution via Java deserialization in Apache Causeway ViewModel functionality.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-64408?
CVE-2025-64408 is a medium-severity unsafe deserialization vulnerability in Apache Causeway, published on 19 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-502
Which versions are affected by CVE-2025-64408?
8 open source packages ship an affected version, including org.apache.causeway.commons:causeway-commons, org.apache.causeway.core:causeway-applib and org.apache.causeway.core:causeway-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.causeway.commons:causeway-commons Maven | All versions | 3.5.0 |
org.apache.causeway.commons:causeway-commons Maven | All versions | 3.5.0 |
org.apache.causeway.core:causeway-applib Maven | All versions | 3.5.0 |
org.apache.causeway.core:causeway-applib Maven | All versions | 3.5.0 |
org.apache.causeway.core:causeway-core Maven | All versions | 3.5.0 |
org.apache.causeway.core:causeway-core Maven | All versions | 3.5.0 |
2 more packages
org.apache.causeway.viewer:causeway-viewer-wicket Maven | All versions | 3.5.0 |
org.apache.causeway.viewer:causeway-viewer-wicket Maven | All versions | 3.5.0 |
Products include Apache Causeway.
How do I fix CVE-2025-64408?
Upgrade org.apache.causeway.commons:causeway-commons to 3.5.0 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-64408 being exploited?
There is no known exploitation of CVE-2025-64408 in the wild and no public exploit code.
Sources
Also known as GHSA-wq4c-57mh-5f7g.