CVE-2026-119049
HIGH
NVD
CVSS Score
7.6
Severity
HIGH
Published
Oct 29, 2026
Vendor
unknown
Description
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.
References
- https://github.com/idinging/freemail
- https://github.com/idinging/freemail/blob/a95c1710e7eeb9f2c74a49ef962f4f43a36695b3/src/db/users.js#L137-L163
- https://github.com/idinging/freemail/commit/62ed3afdbb4de90a135c12de928e586caf01b5a1
- https://github.com/idinging/freemail/issues/73
- https://github.com/idinging/freemail/releases/tag/v5.3.2