CVE-2023-43795: OSGeo GeoServer

Critical severity, CVSS 9.8. EPSS: 67.7% chance of exploitation in the next 30 days.

GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. The OGC Web Processing Service (WPS) specification is designed to process information from any server using GET and POST requests. This presents the opportunity for Server Side Request Forgery. This vulnerability has been patched in version 2.22.5 and 2.23.2.

Affected products

  • OSGeo GeoServer: before 2.22.5 (fixed in 2.22.5); from 2.23.0, before 2.23.2 (fixed in 2.23.2)

Published 2023-10-25. Last modified 2026-06-17.