GeoServer through 2.18.5 and 2.19.x through 2.19.2 allows SSRF via the option for setting a proxy host.
https://github.com/geoserver/geoserver/releases
https://github.com/geoserver/geoserver/compare/2.19.2...2.19.3
https://osgeo-org.atlassian.net/browse/GEOS-10229?focusedCommentId=83508
https://osgeo-org.atlassian.net/browse/GEOS-10229
Source: Mitre, NVD
Published: 2022-05-02
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.17808