CVE-2026-65916

HIGH8.1

CyberPanel Missing Authorization in cancelBackupCreation Handler

Published Jul 23, 2026

Modified 4 weeks ago

Details

CyberPanel through 1.9.1, fixed in commit b198460, contains a missing authorization vulnerability in the cancelBackupCreation handler that allows authenticated users to kill, delete, and corrupt other tenants' backups. Attackers can send crafted POST requests with arbitrary backupCancellationDomain and fileName parameters to terminate backup processes, delete backup archives, corrupt backup status files, and remove database records belonging to other tenants.

References

FIX

https://github.com/usmannasir/cyberpanel/commit/b1984603f9b0099b39bca46fea176e53b6d4d601

DETECTION

https://github.com/usmannasir/cyberpanel/issues/1829

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-65916

ADVISORY

https://www.vulncheck.com/advisories/cyberpanel-missing-authorization-in-cancelbackupcreation-handler

CVSS Analysis

CVSS v4.0

7.2