CVE-2026-67614
CyberPanel < 3.0.0 Hard-coded JWT Secret Authentication Bypass via WebTerminal
- State
- Published
- Severity
- 9.3 Critical
- Published
- Aug 13, 2026
- Updated
- Aug 14, 2026
- Reserved
- Jul 29, 2026
Description
CyberPanel before 3.0.0 contains a hard-coded JWT secret vulnerability in the WebTerminal FastAPI SSH service that allows unauthenticated remote attackers to forge valid authentication tokens and obtain an interactive root shell via WebSocket on port 8888. Attackers can craft a forged JWT signed with the hardcoded secret value, specifying ssh_user=root, to authenticate to the terminal service without any valid credentials and receive a root shell.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-798 Use of Hard-coded Credentials
Affected Products
| Product | Versions |
|---|---|
cyberpanelusmannasir |
|
References
- Release Notesrelease-notes
- Researcher Outreachissue-tracking
- https://www.vulncheck.com/advisories/cyberpanel-hard-coded-jwt-secret-authentication-bypass-via-webterminalthird-party-advisory
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