NetSight
medium5.3

CVE-2025-27505

GeoServer Missing Authorization on REST API Index

Impact

### Summary It is possible to bypass the default REST API security and access the index page. ### Details The REST API security handles `rest` and its subpaths but not `rest` with an extension (e.g., `rest.html`). ### Impact The REST API index can disclose whether certain extensions are installed. ### Workaround In `${GEOSERVER_DATA_DIR}/security/config.xml`, change the paths for the `rest` filter to `/rest.*,/rest/**` and change the paths for the `gwc` filter to `/gwc/rest.*,/gwc/rest/**` and restart GeoServer. ### References https://osgeo-org.atlassian.net/browse/GEOS-11664 https://osgeo-org.atlassian.net/browse/GEOS-11776 https://github.com/geoserver/geoserver/pull/8170

Affected packages

EcosystemPackageAffectedFixed in
mavenorg.geoserver.web:gs-web-app>= 2.26.0, < 2.26.32.26.3
mavenorg.geoserver:gs-rest>= 2.26.0, < 2.26.32.26.3

Affected products

VendorProductAffected versions
OsgeoGeoserver
before 2.25.6
from 2.26.0 before 2.26.3

Weakness classification

References