CVE-2026-54355

A flaw was found in MapServer, a system for developing web-based GIS applications. This reflected Cross-Site Scripting XSS vulnerability occurs in the OpenLayers HTML output when the HTTPXFORWARDEDHOST value is not properly escaped. An unauthenticated attacker can craft a malicious URL that, when...

CVE-2026-54354

A flaw was found in MapServer, a system for developing web-based Geographic Information System GIS applications. The PostGIS runtime filter translation incorrectly processes attacker-controlled input as numeric without proper validation. This allows an unauthenticated remote attacker, with access...

Linux Distros Unpatched Vulnerability : CVE-2026-54354

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and...

Linux Distros Unpatched Vulnerability : CVE-2026-54355

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for...

DEBIAN-CVE-2026-54355

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

DEBIAN-CVE-2026-54354

MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gmltype=Integer are configured, b...

CVE-2026-54355

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

CVE-2026-54354

MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gmltype=Integer are configured, b...

CVE-2026-54355

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

UBUNTU-CVE-2026-54355

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

UBUNTU-CVE-2026-54354

MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gmltype=Integer are configured, b...

CVE-2026-54354

MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gmltype=Integer are configured, b...

CVE-2026-54355

MapServer (a web-based GIS application system) is affected by a reflected XSS in its OpenLayers HTML output. Versions from 6.0 through 8.6.3 reflect an attacker-controlled X-Forwarded-Host header value without escaping it for a single-quoted JavaScript string when handling SERVICE=WMS&REQUEST=Get...

CVE-2026-54355 MapServer: Reflected XSS in OpenLayers HTML Output via `HTTP_X_FORWARDED_HOST`

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

CVE-2026-54355 MapServer: Reflected XSS in OpenLayers HTML Output via `HTTP_X_FORWARDED_HOST`

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

EUVD-2026-82433

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

CVE-2026-54355

MapServer is a system for developing web-based GIS applications. From 6.0 until 8.6.4, MapServer's OpenLayers HTML output for SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers reflects an attacker-controlled X-Forwarded-Host value received as HTTPXFORWARDEDHOST through msBuildOnlineResourc...

CVE-2026-54354 MapServer: PostGIS Numeric Filter Value SQL Injection in MapServer Runtime Query Translation

MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gmltype=Integer are configured, b...

CVE-2026-54354

MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gmltype=Integer are configured, b...

EUVD-2026-82431

MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gmltype=Integer are configured, b...