Description
GeoServer is an open source server that allows users to share and edit geospatial data. Malicious Jiffle scripts can be executed by GeoServer, either as a rendering transformation in WMS dynamic styles or as a WPS process, that can enter an infinite loop to trigger denial of service. This vulnerability is fixed in 2.27.0, 2.26.3, and 2.25.7. This vulnerability can be mitigated by disabling WMS dynamic styling and the Jiffle process.
Scores
CVSS v3
7.5
EPSS
0.0014
EPSS Percentile
33.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-835
Status
published
Products (4)
org.geoserver/gs-wms
2.26.0 - 2.26.3Maven
org.geoserver.extension/gs-wps-core
2.26.0 - 2.26.3Maven
org.geoserver.web/gs-web-app
2.26.0 - 2.26.3Maven
osgeo/geoserver
< 2.25.7
Published
Jun 10, 2025
Tracked Since
Feb 18, 2026