CVE-2026-120200
Nexterm through 1.2.2-BETA Missing Authorization in Server Session Lifecycle Routes
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 31, 2026
- Updated
- Oct 31, 2026
- Reserved
- Oct 31, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
Nextermgnmyt |
|
References
- GitHub Issue #1944issue-tracking
- https://github.com/gnmyt/Nexterm/pull/1950issue-trackingpatch
- https://github.com/gnmyt/Nexterm/commit/00fdb03eea35adb3dee8169469e897b3c8f30657patch
- https://github.com/gnmyt/Nexterm/blob/v1.2.2-BETA/server/routes/serverSession.js#L87technical-description
- https://github.com/gnmyt/Nextermproduct
- VulnCheck Advisory: Nexterm through 1.2.2-BETA Missing Authorization in Server Session Lifecycle Routesthird-party-advisory
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