GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection
Priority LOW 36CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01074 65th percentileScored 2026-11-07
Fix Fixed org.geoserver.extension:gs-db2 (geoserver): 2.27.0org.geoserver.extension:gs-db2 (Maven): 2.27.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| geoserver | org.geoserver.extension:gs-db2 | before 2.27.0 | 2.27.0 | Patch available | CNA |
| — | org.geoserver.extension:gs-db2 (Maven) | before 2.27.0 | 2.27.0 | Patch available | GHSA-g628-r368-6vh7 |
- org.geoserver.extension:gs-db2 Vendorgeoserver Affected before 2.27.0 Fixed in 2.27.0 Patch available CNA
- org.geoserver.extension:gs-db2 (Maven) Vendor— Affected before 2.27.0 Fixed in 2.27.0 Patch available GHSA-g628-r368-6vh7
Remediation
- Fix · CNA org.geoserver.extension:gs-db2 (geoserver) Fixed in 2.27.0
- Fix · GHSA-g628-r368-6vh7 org.geoserver.extension:gs-db2 (Maven) Fixed in 2.27.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-27511
- 2026-10-03 Alias added: GHSA-g628-r368-6vh7
References
Advisory 3
More geoserver vulnerabilities
- TI-2024-24187 Remote Code Execution (RCE) vulnerability in evaluating property name expressions in Geoserver KEVCVSS 3.1CRITICAL 9.8
- TI-2025-36149 GeoServer is vulnerable to an Unauthenticated XML External Entities (XXE) attack via WMS GetMap feature KEVCVSS 3.1CRITICAL 9.8
- TI-2023-10619 Unfiltered SQL Injection Vulnerabilities in Geoserver CVSS 3.1CRITICAL 9.8
- TI-2023-23486 WPS Server Side Request Forgery in GeoServer CVSS 3.1CRITICAL 9.8
- TI-2023-17518 GeoServer 2, in some configurations, allows remote attackers to execute arbitrary code… CVSS 3.1CRITICAL 9.8
- TI-2025-21556 GeoTools, GeoServer, and GeoNetwork XML External Entity (XXE) Processing Vulnerability in XSD schema handling CVSS 3.1CRITICAL 9.9
Sources
- CVE-2025-27511 · CVE Program
- CVE-2025-27511 · NVD
- FIRST EPSS
- GHSA-g628-r368-6vh7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences