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bdu:2026-08880

2026-10-04T01:04:02.070813+00:00

bdu:2026-08880

EUVD-2026-329719

2026-10-04T01:04:02.070853+00:00

EUVD-2026-329719

fkie_cve-2025-52465

2026-10-04T01:04:02.070873+00:00

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 vulnerability exists that allows an authenticated administrator with access to GeoServer's security system to pass arbitrary file names to the Master Password Dump web page and create files containing the master password in plaintext. The provided file name must be an absolute path to the target file, the target file can not already exist and all parent directories must already exist. Versions 2.26.4 and 2.27.3 contain a fix. GeoServer installations where the web interface is either disabled or completely removed are not affected since the vulnerability exists in one of the web pages.

GHSA-7qmg-grcp-qf25 — GeoServer has an arbitrary file write vulnerability in its Master Password Dump Page

2026-10-04T01:04:02.070917+00:00

Affected: Maven: org.geoserver.web:gs-web-app, Maven: org.geoserver.web:gs-web-sec-core

### Summary A vulnerability exists that allows an authenticated administrator with access to GeoServer's security system to pass arbitrary file names to the Master Password Dump web page and create files containing the master password in plaintext. The provided file name must be an absolute path to the target file, the target file can not already exist and all parent directories must already exist.

### Details When dumping the master password, GeoServer will use the provided file name with minimal validation as long as it is a java.io.File path. The only limitation is that the fix for a previous, unrelated vulnerability prevents relative path traversal here but absolute paths can be used to access arbitrary files. GeoServer does not enforce a maximum password length by default which allows an administrator to place malicious code into their password which could then be dumped into a JSP file.

### Impact #### Remote Code Execution (High severity) This vulnerability can lead to executing arbitrary code if GeoServer is deployed in an environment where an attacker can dynamically deploy and execute a JSP file. This is possible if the geoserver.war file is simply placed into the webapps directory of a default Tomcat installation.

#### NTLM Hash Disclosure (Moderate severity) If GeoServer is deployed in a Windows operating system and the GeoServer administrator does not already have access to the Windows account running the GeoServer process, it may be possible for the administ…

WID-SEC-W-2026-1902 — GeoServer: Mehrere Schwachstellen

2026-10-04T01:04:02.070985+00:00

Ein Angreifer kann mehrere Schwachstellen in GeoServer ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.