CVE-2025-58360

Improper Restriction of XML External Entity Reference in OSGeo GeoServer. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 11 December 2025.

Product
OSGeo GeoServer
Added to CISA's catalog
Federal fix-by date
Ransomware
No known use in ransomware campaigns

CISA’s 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.

Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 3 November 2026.