{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"nagvis","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NNMX5GB7X8DWVKA12CFPQD","modified_at":"2026-10-23T17:47:37.713769893Z","published_at":"2025-12-03T10:15:47.913Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-39665","https://security-tracker.debian.org/tracker/CVE-2025-39665"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-39665","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-39665"}],"summary":"User enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames."}