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Vulnerability · Published Jun 18, 2026 · Assigned by GitHub_M

CVE-2025-58175GeoServer has a Server-Side Request Forgery (SSRF) Vulnerability in its XML Entity Resolution

Medium 6.5

In plain English

A medium-severity improper input validation in org.geoserver.web:gs-web-app from geoserver. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 78.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

GeoServer is an open source server that allows users to share and edit geospatial data. Prior to versions 2.26.4 and 2.27.3, a GeoServer that uses `ENTITY_RESOLUTION_ALLOWLIST` may allow attacker to perform unauthenticated Server-Side Request Forgery (SSRF). This vulnerability requires that GeoServer is set up to use a proxy base URL and the `ENTITY_RESOLUTION_ALLOWLIST` (default since 2.25.0). Versions 2.26.4 and 2.27.3 contain a fix. GeoServer installations are only affected by this vulnerability if they use a proxy base URL that does not contain a URL path or end with a slash. If the proxy base URL does not contain a path, adding a slash to the end of the URL will mitigate this vulnerability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.geoserver.web:gs-web-app2.26.4GHSA-x4r9-gmw3-hxww
Mavenorg.geoserver.web:gs-web-app2.27.3GHSA-x4r9-gmw3-hxww
Mavenorg.geoserver:gs-main2.26.4GHSA-x4r9-gmw3-hxww
Mavenorg.geoserver:gs-main2.27.3GHSA-x4r9-gmw3-hxww

Affected products (as reported)

VendorProductVersions
geoserver org.geoserver.web:gs-web-app < 2.26.4>= 2.27.0, < 2.27.3
geoserver org.geoserver:gs-main < 2.26.4>= 2.27.0, < 2.27.3

Weakness: CWE-20, CWE-611, CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L

References