CVE entry · CVE-2025-58360
CVE-2025-58360: 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.
- Actively exploited: added to CISA’s KEV catalog on December 11, 2025.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: January 1, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes OSGeo GeoServer, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (osgeo-org.atlassian.net)
- NVD entry (NIST)
- CISA KEV catalog