All vulnerabilities
CVE-2025-58360GHSA-fjf5-xgmq-5525

OSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability

OSGeo GeoServerMavenApplications & CMS
CVSS
8.2High
ExploitationExploited in the wildAdded to KEV 11 Dec 2025CISA KEV
Exploit odds (EPSS)60.0%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2.26.2Also 2.25.6OSV
Federal deadline1 Jan 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

  • 2.26.2org.geoserver.web:gs-web-app, MavenOSV<dependency><groupId>org.geoserver.web</groupId><artifactId>gs-web-app</artifactId><version>2.26.2</version></dependency>
  • 2.26.2org.geoserver:gs-wms, MavenOSV<dependency><groupId>org.geoserver</groupId><artifactId>gs-wms</artifactId><version>2.26.2</version></dependency>
  • 2.25.6org.geoserver.web:gs-web-app, MavenOSV<dependency><groupId>org.geoserver.web</groupId><artifactId>gs-web-app</artifactId><version>2.25.6</version></dependency>
  • 2.25.6org.geoserver:gs-wms, MavenOSV<dependency><groupId>org.geoserver</groupId><artifactId>gs-wms</artifactId><version>2.25.6</version></dependency>

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 25 Nov 2025Exploit code publicMetasploit
  2. 25 Nov 2025, 20:17 UTCPublishedCVE List
  3. 11 Dec 2025Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Auxiliary moduleGeoServer WMS GetMap XXE Arbitrary File Read 25 Nov 2025Metasploit
  • Scanner templateGeoServer - XML External Entity InjectionNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

OSGeo GeoServer contains an improper restriction of XML external entity reference vulnerability that occurs when the application accepts XML input through a specific endpoint /geoserver/wms operation GetMap and could allow an attacker to define external entities within the XML request.

Text from CVE List

Affected versions 6

  • geoserveraffected: >= 2.26.0, < 2.26.2CVE List
  • geoserveraffected: < 2.25.6CVE List
  • org.geoserver.web:gs-web-app, Mavenfrom 2.26.0, fixed in 2.26.2OSV
  • org.geoserver:gs-wms, Mavenfrom 2.26.0, fixed in 2.26.2OSV
  • org.geoserver.web:gs-web-app, Mavenfrom first release, fixed in 2.25.6OSV
  • org.geoserver:gs-wms, Mavenfrom first release, fixed in 2.25.6OSV

References 5