What’s Vulnerable › Vulnerabilities

CVE-2025-27511: GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-18 · updated 2026-10-06
• Weakness: CWE-74

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.

Affected products

• geoserver org.geoserver.extension:gs-db2: before 2.27.0 — fixed in 2.27.0

How to fix

Upgrade to a fixed version: geoserver org.geoserver.extension:gs-db2 2.27.0. Check the vendor advisory for mitigations.

References

• https://github.com/geoserver/geoserver/releases/tag/2.27.0
• https://github.com/geoserver/geoserver/security/advisories/GHSA-g628-r368-6vh7
• https://nvd.nist.gov/vuln/detail/cve-2023-27867
• https://osgeo-org.atlassian.net/browse/GEOT-7725

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