CVE-2026-119049 Details
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.
An authorization bypass vulnerability has been identified in FreeMail versions prior to 5.3.2. This vulnerability allows authenticated users to claim another user's existing mailbox through the POST /api/create endpoint. Attackers who are aware of a victim's email address can become co-owners of the mailbox by using the assignMailboxToUser function. This exploitation enables them to read messages and verification codes, modify forwarding settings, and delete emails.
Users are advised to upgrade to FreeMail version 5.3.2 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 29, 2026CISA-ADP
Assessed Oct 29, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-639 | Authorization Bypass Through User-Controlled Key | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| idinging FreeMail | >= 0, < 5.3.2 |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 29, 2026 | New CVE Received | [email protected] |
| Oct 29, 2026 | CVE Modified | CISA-ADP |