{"id":"CVE-2026-119049","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-119049","summary":"FreeMail before 5.3.2 contains an authorization bypass vulnerability that allows authenticated users to claim another user's existing mailbox via the POST /api/create endpoint. Attackers…","details":"FreeMail before 5.3.2 contains an authorization bypass vulnerability that allows authenticated users to claim another user's existing mailbox via the POST /api/create endpoint. Attackers who know a victim's address can become co-owners through assignMailboxToUser to read messages and verification codes, set forwarding, and delete mail.","published":"2026-10-29T14:17:51.827","modified":"2026-10-29T14:17:51.827","cvss":{"score":7.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/idinging/freemail/commit/62ed3afdbb4de90a135c12de928e586caf01b5a1","label":"idinging/freemail@62ed3af"},"references":[{"type":"WEB","url":"https://github.com/idinging/freemail"},{"type":"WEB","url":"https://github.com/idinging/freemail/blob/a95c1710e7eeb9f2c74a49ef962f4f43a36695b3/src/db/users.js#L137-L163"},{"type":"WEB","url":"https://github.com/idinging/freemail/commit/62ed3afdbb4de90a135c12de928e586caf01b5a1"},{"type":"WEB","url":"https://github.com/idinging/freemail/issues/73"},{"type":"WEB","url":"https://github.com/idinging/freemail/releases/tag/v5.3.2"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/freemail-before-5.3.2-authorization-bypass-via-api-create-mailbox-claiming"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-29T14:17:51.827"}}