High severityGHSA Advisory· Published Jun 11, 2026
GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection
CVE-2025-27511
Description
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
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.geoserver.extension:gs-db2Maven | < 2.27.0 | 2.27.0 |
Affected products
2Patches
Vulnerability mechanics
References
3News mentions
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