CVE-2026-119049

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    CVE-2026-119049

    Published: 29 Oct 2026Last Modified: 31 Oct 2026

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

    Details: 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/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119049.json, https://github.com/idinging/freemail/releases/tag/v5.3.2, https://nvd.nist.gov/vuln/detail/CVE-2026-119049, https://www.vulncheck.com/advisories/freemail-before-5.3.2-authorization-bypass-via-api-create-mailbox-claiming, https://github.com/idinging/freemail/issues/73, https://github.com/idinging/freemail/commit/62ed3afdbb4de90a135c12de928e586caf01b5a1, https://github.com/idinging/freemail, https://github.com/idinging/freemail/blob/a95c1710e7eeb9f2c74a49ef962f4f43a36695b3/src/db/users.js#L137-L163

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -8ff40b80a7d0f4a77fc31ebef221ab2f0d8f0913

    Affected versions

    v5.3.1
    v5.3.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-119049 | CVE-DB