CVE-2025-27511: geoserver org.geoserver.extension:gs-db2 Injection
CVSS: 7.2v3.1HighAnalyzed
AliasesGHSA-g628-r368-6vh7
Published 18-06-2026Last modified 24-06-2026
Vulnerability summary
CVE-2025-27511 is a high (CVSS 7.2) Injection vulnerability in geoserver org.geoserver.extension:gs-db2. EPSS estimates a 1.07% chance of exploitation in the next 30 days, higher than 64.4% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (CVE.org)EPSS score
1.07%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-06-2026PublishedVulnerability first disclosed.
- 24-06-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · MavenEcosystem advisory · calculated7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.07%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.07% on 19-09-2026
19-09-202619-10-2026
EPSS score1.07%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
- CWE-502Deserialization of Untrusted DataThe product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Affected systems
Geoserver1 product
- org.geoserver.extension:gs-db2< 2.27.0
Org.geoserver.extension1 product
- gs-db2< 2.27.0
Osgeo1 product
- geoserver< 2.27.0
3 vendors · 3 products
References
6 links- github.com/geoserver/geoserver/security/advisories/GHSA-g628-r368-6vh7X Refsource CONFIRMWEBVendor Advisory
