GHSA-g628-r368-6vh7
GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Maven | org.geoserver.extension:gs-db2 | < 2.27.0 | 2.27.0 |
Details
As written in the advisory (Markdown source, shown as plain text).
## Summary
Administrator can perform JNDI attack through specially crafted DB2 jdbc url leading to Remote Code Execution (RCE).
## Impact
If GeoServer has DB2 extension installed, this vulnerability can lead to executing arbitrary code.
## Details
Authenticated users can access Vector Data Sources page to creating a new data store through db2 jdbc connection, performing JNDI attack due to unrestricted connection parameters, and then achieve RCE with deserialization of untrusted data.
### Remediation
This issue has been fixed in this release: https://github.com/geoserver/geoserver/releases/tag/2.27.0.
## References
* https://osgeo-org.atlassian.net/browse/GEOT-7725
* https://nvd.nist.gov/vuln/detail/cve-2023-27867
References
External links from the advisory. They lead to third-party sites.
- https://github.com/geoserver/geoserver/security/advisories/GHSA-g628-r368-6vh7
- https://nvd.nist.gov/vuln/detail/CVE-2025-27511
- https://github.com/geoserver/geoserver
- https://github.com/geoserver/geoserver/releases/tag/2.27.0
- https://nvd.nist.gov/vuln/detail/cve-2023-27867
- https://osgeo-org.atlassian.net/browse/GEOT-7725