CVE-2026-65916 HIGH

CVE-2026-65916: CyberPanel Missing Authorization in cancelBackupCreation Handler

Vendor Usmannasir

Product cyberpanel

Weakness CWE-862 · Missing authorization

Published July 23, 2026

Last update July 24, 2026

View on NVD All CVEs

CVSS base score

7.2/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality —

Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 23, 2026 CVE published

July 24, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-65916 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

Related vulnerabilities

04Related CVE

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