{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"mapserver","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NSYQEZABRJZGSW9QPCJQ6B","modified_at":"2026-10-01T08:47:40.787210687Z","published_at":"2026-09-17T21:17:15.410Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-54355","https://security-tracker.debian.org/tracker/CVE-2026-54355"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-54355","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-54355"}],"summary":"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 attac"}