High 8.2Known exploited (CISA KEV)Published Nov 25, 2025

CVE-2025-58360GeoServer is vulnerable to an Unauthenticated XML External Entities (XXE) attack via WMS GetMap feature

Updated under an hour ago (2026-10-19 04:50 UTC)

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It affects geoserver. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Dec 11, 2025; federal agencies had to remediate by Jan 1, 2026. Treat that date as your deadline.

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Exploited in the last 30 days

GeoServer is an open source server that allows users to share and edit geospatial data. From version 2.26.0 to before 2.26.2 and before 2.25.6, an XML External Entity (XXE) vulnerability was identified. The application accepts XML input through a specific endpoint /geoserver/wms operation GetMap. However, this input is not sufficiently sanitized or restricted, allowing an attacker to define external entities within the XML request. This issue has been patched in GeoServer 2.25.6, GeoServer 2.26.3, and GeoServer 2.27.0.

CVSS: 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
Weakness (CWE): CWE-611
Known exploited: Added to CISA KEV Dec 11, 2025; federal remediation due Jan 1, 2026Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS (exploitation in the next 30 days): 60.52% (percentile 99)
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Feb 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

geoserver geoserver geoserver:geoserver (from the name)	from 2.26.0, < 2.26.2; before 2.25.6	CNA record
geoserver geoserver geoserver:geoserver	before 2.25.6; from 2.26.0 before 2.26.2	NVD

References

https://github.com/geoserver/geoserver/security/advisories/GHSA-fjf5-xgmq-5525x-refsource-confirm, vendor-advisory
https://osgeo-org.atlassian.net/browse/GEOS-11682x-refsource-misc, issue-tracking
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-58360us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.