{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"vnu","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":[],"id":"tcs_01M5NMYWH5CJAGAQDMN1DRDGDB","modified_at":"2026-09-01T20:05:41.741554367Z","published_at":"2026-01-16T14:15:54.317Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-15104","https://security-tracker.debian.org/tracker/CVE-2025-15104"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-15104","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-15104"}],"summary":"Nu Html Checker (validator.nu) contains a restriction bypass that allows remote attackers to make the server perform arbitrary HTTP/HTTPS requests to internal resources, including localhost services."}