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CVE-2025-58360

OSGeo — OSGeo GeoServer Improper Restriction of XML External Entity Reference Vulnerability

OSGeo · CWE-611 — XML external entity processing · in CISA KEV since 2025-12-11

CISA federal deadline · Overdue by 10 monthsCISA KEVActively Exploited
79

EVRS 79 of 100 Urgent

Patch This Cycle

Rank 629 of 2,960 tracked

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Why it scores 79

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and an EPSS probability of 0.600.

  • CISA KEVApplied
  • RansomwareDid not apply
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

Patch or fixed version identified

CISA required action

Fixed in

  • org.geoserver.web:gs-web-app2.26.22.25.6update to this version or later in your release line
  • org.geoserver:gs-wms2.26.22.25.6update to this version or later in your release line

Affected versions

  • org.geoserver.web:gs-web-app (maven)affected >= 2.26.0, < 2.26.2, fixed in 2.26.2affected < 2.25.6, fixed in 2.25.6
  • org.geoserver:gs-wms (maven)affected >= 2.26.0, < 2.26.2, fixed in 2.26.2affected < 2.25.6, fixed in 2.25.6

Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Fixed versions from NVD and GitHub. Affected packages also in GitHub Advisory GHSA-fjf5-xgmq-5525 (CC BY 4.0).

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 9.8 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.600 (99.13rd pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Unknown or none CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2026-01-01 · CISA federal deadline · Overdue by 10 months CISA KEV
Public exploit moduleA module existing is not the same as active exploitation. Public module exists Metasploit
EUVD cross-referenceENISA's record: CVSS 8.2 (v3.1), assigned by GitHub_M. Listed ENISA EUVD

Description

NVD

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.

What CISA says to do

Public module

Metasploit lists a public normal-rank module for this CVE: GeoServer WMS GetMap XXE Arbitrary File Read (gather/geoserver_wms_getmap_xxe_file_read). A module existing is not the same as active exploitation; see metasploit.com.