Vulnerability · Published Jun 18, 2026 · Assigned by GitHub_M

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

High 7.2

In plain English

A high-severity unsafe deserialization in org.geoserver.extension:gs-db2 from geoserver. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)1.1%top 34.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.geoserver.extension:gs-db2	2.27.0	GHSA-g628-r368-6vh7

Affected products (as reported)

Vendor	Product	Versions
geoserver	org.geoserver.extension:gs-db2	< 2.27.0

Weakness: CWE-502, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

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