Authenticated Remote Code Execution Vulnerability in CyberPanel by Usman Nasir
CVE-2026-71965

8.7HIGH

Key Information:

Vendor

Usmannasir

Status
Cyberpanel
Vendor
CVE Published:
10 August 2026

Badges

👾 Exploit Exists

What is CVE-2026-71965?

CyberPanel version 2.4.3 has a vulnerability in its remote backup feature, allowing authenticated attackers to execute arbitrary code. By manipulating the SSH key retrieval process, an attacker can supply a malicious remote server address, leading to the unauthorized addition of their SSH public key to /root/.ssh/authorized_keys. This flaw provides persistent root access, enabling the attacker to gain control over the host system.

Affected Version(s)

cyberpanel 0 <= 2.4.3

cyberpanel 0 <= 2.4.3

cyberpanel eca0c3cbeb35af8eaae9fafb094e8ef3cd923643

References

https://themcsam.github.io/posts/cyberpanel-2.4.3-vulnera...
technical-descriptionexploit
https://github.com/usmannasir/cyberpanel/commit/eca0c3cbe...
patch
https://www.vulncheck.com/advisories/cyberpanel-authentic...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

McSam
.