CVE-2026-119049
FreeMail before 5.3.2 contains an authorization bypass vulnerability that allows authenticated…
- Risk score
- 46/100
- CVSS
- 7.6 v3.1
- Published
- 29 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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…
- Affected
- See advisory
- Fix
- Upgrade the product to 5.3.2 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.6 high
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
- https://www.vulncheck.com/advisories/freemail-before-5.3.2-authorization-bypass-via-api-create-mailbox-claiming
Original 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.
Last activity 29 Oct 2026. Patch Forecast updates every hour.