CVE-2026-65916highCWE-862

CVE-2026-65916: high-severity vulnerability in usmannasir cyberpanel

CyberPanel Missing Authorization in cancelBackupCreation Handler

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.2epss 0.5%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
usmannasir · cyberpanel
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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