Exploited vulnerabilities / CVE-2025-58360
Confirmed exploited · exploited vulnerability · OSGeo GeoServerCVE-2025-58360
OSGeo GeoServer exploited vulnerability, confirmed exploited in the wild.
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's name for it | OSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability |
|---|---|
| Vendor and product | OSGeo · GeoServer |
| Type | exploited vulnerability · CWE-611 |
| Exploited | Confirmed by CISA listed 11 December 2025 |
| Likelihood | one of the most likely to be exploited of every vulnerability tracked |
| Deadline | 1 January 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | github.com ↗ · osgeo-org.atlassian.net ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited.
If you cannot patch now, restrict network access to the affected product.
Check for signs of compromise since the date it was added to the list.
| CISA's 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. |
|---|
Know before someone else finds it
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CVE-2025-58360 in short
Is CVE-2025-58360 being exploited?
Yes. CISA added CVE-2025-58360 to its Known Exploited Vulnerabilities catalogue on 11 December 2025, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2025-58360?
US federal agencies must remediate it by 1 January 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2025-58360 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 61%, the 99th percentile of every CVE it scores.
How do I fix CVE-2025-58360?
Apply the vendor's fix or mitigation; CISA lists only vulnerabilities seen exploited. If you cannot patch now, restrict network access to the affected product. Check for signs of compromise since the date it was added to the list.
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.