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EUVD-2026-329720

fkie_cve-2025-27511

GeoServer is an open source server that allows users to share and edit geospatial data. Prior to version 2.27.0 of the GeoServer DB2 DataStore Extension, an administrator can perform a JNDI attack through specially crafted DB2 jdbc url leading to to Remote Code Execution (RCE). Version 2.27.0 fixes the issue.

GHSA-g628-r368-6vh7 — GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection

Affected: Maven: org.geoserver.extension:gs-db2

## 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

WID-SEC-W-2026-1902 — GeoServer: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in GeoServer ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.