What is GHSA-g628-r368-6vh7?

GHSA-g628-r368-6vh7 is a security advisory published by GitHub Security Advisories with High severity. GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection

Which CVE IDs does GHSA-g628-r368-6vh7 cover?

GHSA-g628-r368-6vh7 covers the following CVE IDs: CVE-2025-27511. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g628-r368-6vh7?

GHSA-g628-r368-6vh7 has a CVSS v3 base score of 7.2, published by GitHub Security Advisories.

Which products are affected by GHSA-g628-r368-6vh7?

GHSA-g628-r368-6vh7 affects 1 product, including: maven/org.geoserver.extension:gs-db2:\u003c 2.27.0.

GHSA-g628-r368-6vh7HighCVSS 7.2

GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection

Vendor

GitHub Security Advisories

Published

June 11, 2026

Last Modified

June 11, 2026

🔗 CVE IDs covered (1)

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.