CVE-2026-119049

FreeMail before 5.3.2 Authorization Bypass via /api/create Mailbox Claiming

Published Oct 29, 2026 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Idinging
Idinging freemail
Vendors & Products Idinging
Idinging freemail
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title FreeMail before 5.3.2 Authorization Bypass via /api/create Mailbox Claiming
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L'}

cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 29, 2026, 2:02 PM
Reserved
Oct 29, 2026, 11:51 AM
Status
Deferred
Published
Oct 29, 2026, 2:17 PM
Modified
Oct 29, 2026, 4:21 PM