CVE-2026-71966: CyberPanel 2.4.3 Authenticated Command Injection via starRemoteTransfer
CyberPanel 2.4.3, fixed in commit eca0c3c, contains an authenticated command injection vulnerability in the remote backup transfer feature that allows authenticated attackers to execute arbitrary OS commands by controlling a remote server's API response. Attackers can inject malicious commands through a crafted directory name in the remote server's API response, which bypasses security middleware validation and is passed unsanitized to the OS command execution function.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
CyberPanelto a version that resolves this vulnerability.Fixed in 2.4.3Patch eca0c3c
Event History
Frequently Asked Questions
What is the severity of CVE-2026-71966?
The severity of CVE-2026-71966 is rated high with a CVSS score of 8.8.
How do I fix CVE-2026-71966?
To fix CVE-2026-71966, update CyberPanel to version 2.4.4 or later, as it addresses the vulnerability.
What types of attacks does CVE-2026-71966 allow?
CVE-2026-71966 allows authenticated attackers to perform arbitrary OS command injection via the remote backup transfer feature.
Who is affected by CVE-2026-71966?
CVE-2026-71966 affects users of CyberPanel version 2.4.3 who have enabled the remote backup transfer feature.
What solutions can mitigate CVE-2026-71966?
In addition to updating to a patched version, restricting access to API endpoints and monitoring logs can help mitigate CVE-2026-71966.