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

Exact source revision recorded 29 Oct 2026 16:12:12 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-119049

Published

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.

Source published
29 Oct 2026 13:08:50 UTC
Source modified
29 Oct 2026 14:02:26 UTC
Observed here
29 Oct 2026 16:12:12 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 7.2 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

CVSS 3.1 · 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 7 Nov 06:51 UTC · 275 of 275 readable · 274 fully read · documentation 469/469 current