What is CVE-2026-65916?

CVE-2026-65916 is a high-severity vulnerability in Usmannasir Cyberpanel, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-07-23.

How severe is CVE-2026-65916?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Usmannasir Cyberpanel

CVE-2026-65916

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 c…

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Usmannasir Cyberpanel — versions 0, b1984603f9b0099b39bca46fea176e53b6d4d601

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-65916?: CVE-2026-65916 is a high-severity vulnerability in Usmannasir Cyberpanel, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-07-23.
How severe is CVE-2026-65916?: High severity. CVSS v3 base score is 8.1 out of 10.