CVEs / CVE-2025-58360

CVE-2025-58360: OSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability

Known exploited in the CISA KEV catalog since 11 Dec 2025
critical 9.8 CVSS 3.1 (NVD)
EPSS 61.1% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 28 Oct 2026

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Summary

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, Known Exploited Vulnerabilities catalog

Description

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.
The CVE record, via NVD · published 25 Nov 2025 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
geoserver geoserver	>= 2.26.0, < 2.26.2	—
geoserver geoserver	< 2.25.6	—

As stated by OSV
Product	Affected	Fixed in
org.geoserver.web:gs-web-app (Maven)	from 2.26.0, before 2.26.2	2.26.2
org.geoserver:gs-wms (Maven)	from 2.26.0, before 2.26.2	2.26.2
org.geoserver.web:gs-web-app (Maven)	before 2.25.6	2.25.6
org.geoserver:gs-wms (Maven)	before 2.25.6	2.25.6

Package versions from GHSA-fjf5-xgmq-5525.

Exploitation

In CISA KEV since	11 Dec 2025
Due date for US federal agencies	1 Jan 2026
Used in ransomware campaigns	Unknown
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.

Severity

CVSS 3.1	9.8 critical `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-611

References

CVE-2025-58360 on NVD
CVE-2025-58360 in the CISA KEV catalog
https://github.com/geoserver/geoserver/security/advisories/GHSA-fjf5-xgmq-5525 (cited by CISA)
https://osgeo-org.atlassian.net/browse/GEOS-11922 (cited by CISA)
CVE-2025-58360 on OSV
https://github.com/geoserver/geoserver/security/advisories/GHSA-fjf5-xgmq-5525 Vendor Advisory
https://osgeo-org.atlassian.net/browse/GEOS-11682 Issue Tracking
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-58360 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.