CVE-2026-71965

Summary

CyberPanel 2.4.3, fixed in commit eca0c3c, contains an authenticated remote code execution vulnerability in the remote backup feature that allows authenticated attackers to gain root-level SSH access by supplying a malicious remote server address. Attackers can exploit the unverified SSH public key retrieval process to write an attacker-controlled public key directly to /root/.ssh/authorized_keys, granting persistent root access to the host system.

Affected Software

Weaknesses

• CWE-345: Insufficient Verification of Data Authenticity

References

• https://themcsam.github.io/posts/cyberpanel-2.4.3-vulnerabilties/
• https://github.com/usmannasir/cyberpanel/commit/eca0c3cbeb35af8eaae9fafb094e8ef3cd923643
• https://www.vulncheck.com/advisories/cyberpanel-authenticated-rce-via-remote-backup-feature

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