CVE-2025-27511: CWE-502: Deserialization of Untrusted Data in geoserver org.geoserver.extension:gs-db2
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.
AI Analysis
Technical Summary
CVE-2025-27511 is a deserialization of untrusted data vulnerability in the GeoServer DB2 DataStore Extension (org.geoserver.extension:gs-db2). Before version 2.27.0, an administrator could exploit this by crafting a malicious DB2 JDBC URL that triggers a JNDI attack, resulting in remote code execution. The vulnerability is addressed in GeoServer version 2.27.0.
Potential Impact
Successful exploitation allows an attacker with administrative privileges to execute arbitrary code remotely on the affected system. This can lead to full compromise of the GeoServer instance and potentially the underlying host.
Mitigation Recommendations
Upgrade to GeoServer DB2 DataStore Extension version 2.27.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
CVE-2025-27511: CWE-502: Deserialization of Untrusted Data in geoserver org.geoserver.extension:gs-db2
Description
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.
CVSS v3.1
Score 7.2high
Affected software
pkg:maven/org.geoserver.extension/gs-db2Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-27511 is a deserialization of untrusted data vulnerability in the GeoServer DB2 DataStore Extension (org.geoserver.extension:gs-db2). Before version 2.27.0, an administrator could exploit this by crafting a malicious DB2 JDBC URL that triggers a JNDI attack, resulting in remote code execution. The vulnerability is addressed in GeoServer version 2.27.0.
Potential Impact
Successful exploitation allows an attacker with administrative privileges to execute arbitrary code remotely on the affected system. This can lead to full compromise of the GeoServer instance and potentially the underlying host.
Mitigation Recommendations
Upgrade to GeoServer DB2 DataStore Extension version 2.27.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2025-02-26T18:11:52.306Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a340cacf198dc38c1059165
Added to database: 6/18/2026, 3:20:12 PM
Last enriched: 6/18/2026, 3:36:39 PM
Last updated: 6/19/2026, 5:04:31 AM
Views: 9
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