Vendor / Project: OSGeo Product: GeoServer 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. Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due Date: 2026-01-01 Ransomware Campaign Use: Unknown CWEs: CWE-611 Notes: This vulnerability affects an open-source component, third-party library, or a protocol used by different products. For more information, please see: https://github.com/geoserver/geoserver/security/advisories/GHSA-fjf5-xgmq-5525 ; https://osgeo-org.atlassian.net/browse/GEOS-11922 ; https://nvd.nist.gov/vuln/detail/CVE-2025-58360