CVE-2026-65916 - CyberPanel Missing Authorization in cancelBackupCreation Handler
Posted: Thu Jul 23, 2026 8:02 pm
CVE ID: CVE-2026-65916
Published: July 23, 2026
Description: 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.
Severity: 8.1 | HIGH
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-65916
Published: July 23, 2026
Description: 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.
Severity: 8.1 | HIGH
More Information:
https://cvefeed.io/vuln/detail/CVE-2026-65916