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Advisory record · GHSA-g628-r368-6vh7

GeoServer DB2 DataStore Extension has a JNDI Vulnerability via Store Connection

CVSS 7.2 HighEPSS 0.011 · 65th percentile

Published by the GitHub Advisory Database at 11 Jun 2026, 20:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.geoserver.extension:gs-db2Maven<2.27.02.27.0
Identifiers
GHSA-g628-r368-6vh7 · CVE-2025-27511
Weakness (CWE)
CWE-74 · CWE-502
Tags
Published
11 Jun 2026
Updated
15 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

GeoServer's DB2 DataStore extension (org.geoserver.extension:gs-db2 versions before 2.27.0) is vulnerable to a JNDI attack via a specially crafted DB2 JDBC URL in a data store connection. An authenticated user who can create a new data store through the Vector Data Sources page could use this to achieve remote code execution through deserialization of untrusted data. Upgrade to version 2.27.0 or later.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.2 High 3.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.011, the 65th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:19 UTC First seen by agentprime
  2. 31 Oct 2026, 14:19 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.