CVE-2025-9121 Hitachi Vantara Pentaho Business Analytics Server - Deserialization of Untrusted Data
Attackers can execute arbitrary code by sending malicious JSON data to the Pentaho Business Analytics Server Community Dashboard Editor plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9121?
CVE-2025-9121 is a high-severity unsafe deserialization vulnerability in Hitachi Vantara Pentaho Data Integration and Analytics, published on 15 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Pentaho Data Integration and Analytics Community Dashboard Editor plugin versions before 10.2.0.4, including 9.3.0.x and 8.3.x, deserialize untrusted JSON data without constraining the parser to approved classes and methods.
Weakness: CWE-502
Which versions are affected by CVE-2025-9121?
How do I fix CVE-2025-9121?
No fix has been published for CVE-2025-9121 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-9121 being exploited?
There is no known exploitation of CVE-2025-9121 in the wild and no public exploit code.
Sources
Also known as GHSA-q8c7-8xpv-64vr.