OSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability (CVE-2025-58360)
Severity: critical · Patch status: unknown · Since 2025-12-11 · CVE-2025-58360
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. CISA added CVE-2025-58360 to its Known Exploited Vulnerabilities catalog on Dec 11, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jan 1, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch