CVE-2026-67614

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.

CVSS 4.0

9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-25)

CWE

CWE-798

Published

2026-08-13

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

References

• https://cyberpanel.net/KnowledgeBase/home/change-logs/
• https://github.com/usmannasir/cyberpanel/issues/1858
• https://www.vulncheck.com/advisories/cyberpanel-hard-coded-jwt-secret-authentication-bypass-via-webterminal

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