OSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability
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.
- Vendor
- OSGeo
- Product
- GeoServer
- CVSS
- 8.2
- EPSS (exploit probability)
- 64.9%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
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.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2025-12-11. Required action per CISA: 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.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.