{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"cyrus-imapd","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NT840Q6GT9J8CCXQCV2SRD","modified_at":"2026-10-01T03:03:28.793187999Z","published_at":"2026-09-09T20:18:36.523Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-61909","https://security-tracker.debian.org/tracker/CVE-2026-61909"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-61909","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-61909"}],"summary":"An issue was discovered in Cyrus IMAP before 3.12.4. CalDAV/CardDAV multiget bypasses a per-href ACL. An authenticated DAV user with some shared access to another user's calendar or address book could"}