CVE-2026-120007

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    CVE-2026-120007

    Published: 30 Oct 2026Last Modified: 2 Nov 2026

    Summary: NodeBB 1.18.0 through 4.16.5 Authorization Bypass via /register/complete uid

    Details: NodeBB 1.18.0 through 4.16.5 contains an authorization bypass vulnerability that allows unauthenticated visitors to act on other accounts by supplying a uid during POST /register. Attackers can submit an empty email at the /register/complete interstitial to clear a victim's email and confirmation state and revoke all their sessions.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120007.json, https://nvd.nist.gov/vuln/detail/CVE-2026-120007, https://www.vulncheck.com/advisories/nodebb-1.18.0-through-4.16.5-authorization-bypass-via-register-complete-uid, https://github.com/NodeBB/NodeBB/commit/376d14abb7fffd8ea14f3a2f96baa20ffee5cdb3, https://github.com/NodeBB/NodeBB, https://github.com/NodeBB/NodeBB/blob/c3d8dc512292a376f19e06cb93512bdff2505102/src/controllers/authentication.js#L34, https://github.com/NodeBB/NodeBB/blob/c3d8dc512292a376f19e06cb93512bdff2505102/src/user/interstitials.js#L124

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- d220d1d461be5c47f5629c7ad66780df4376f632
    Fixed -376d14abb7fffd8ea14f3a2f96baa20ffee5cdb3

    Affected versions

    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-2026-120007 | CVE-DB