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Exploited vulnerability · CISA KEV

Is CVE-2025-58360 exploited? Yes: in CISA KEV since 11 Dec 2025

Gociux · OSGeo GeoServer · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2025-58360, OSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 11 Dec 2025, 16 days after it was published. It affects OSGeo GeoServer. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 11 Dec 2025
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity8.2CVSS 3.1 · high
US federal due1 Jan 2026BOD 22-01 deadline

What it is

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.

VendorOSGeo (3 exploited CVEs in KEV)
ProductGeoServer
VulnerabilityOSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability
WeaknessCWE-611
Published25 Nov 2025
Added to KEV11 Dec 2025
Reported by (CNA)GitHub_M

What to do

  1. Check whether you run it. Look for GeoServer in your asset inventory, including appliances and cloud images. Stack check lists every exploited OSGeo CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 25 Nov 2025.
  4. Get told next time. Email alerts when CISA adds a CVE for OSGeo.

Other exploited CVEs in GeoServer

References

Questions

Is CVE-2025-58360 being exploited?

Yes. CISA added CVE-2025-58360 to the Known Exploited Vulnerabilities catalog on 11 Dec 2025, which means there is reliable evidence of exploitation in the wild.

Is CVE-2025-58360 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2025-58360?

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Check OSGeo's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected GeoServer and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in December 2025 · OSGeo scorecard · act-now radar.

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