CVE-2026-120200

    Dashboard / Vulnerabilities / CVE-2026-120200

    CVE-2026-120200

    Published: 31 Oct 2026Last Modified: 1 Nov 2026

    Summary: Nexterm through 1.2.2-BETA Missing Authorization in Server Session Lifecycle Routes

    Details: Nexterm through 1.2.2-BETA contains a missing authorization vulnerability that allows authenticated users to hibernate, resume, or terminate other users' remote sessions via session lifecycle routes. Attackers who obtain a session ID can call the hibernate, resume, or DELETE connection endpoints to disrupt live SSH, RDP, VNC, or SFTP sessions.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120200.json, https://github.com/gnmyt/Nexterm, https://github.com/gnmyt/Nexterm/blob/v1.2.2-BETA/server/routes/serverSession.js#L87, https://github.com/gnmyt/Nexterm/commit/00fdb03eea35adb3dee8169469e897b3c8f30657, https://github.com/gnmyt/Nexterm/issues/1944, https://github.com/gnmyt/Nexterm/pull/1950, https://nvd.nist.gov/vuln/detail/CVE-2026-120200, https://www.vulncheck.com/advisories/nexterm-through-1.2.2-beta-missing-authorization-in-server-session-lifecycle-routes

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 4809799d7b700ea34101fd5737c288f314085ef0
    Fixed -None

    Affected versions

    v1.2.2-BETA
    v1.2.1-BETA
    v1.2.0-BETA

    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