CVE-2026-65916 | CyberPanel through 1.9.1, fixed in commit b198460, contains … | CVSS 8.1 HIGH

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.

Metadata

CVE ID: CVE-2026-65916
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-23 12:51 UTC
Published: 2026-07-23 15:53 UTC
Last updated: 2026-07-23 18:18 UTC
Primary CWE: CWE-862
Missing Authorization
Vendor / Product: usmannasir / cyberpanel
Sources: cve.org · NVD

Severity & Metrics

8.1 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
usmannasir	cyberpanel	—	0 ≤ 1.9.1, b1984603f9b0099b39bca46fea176e53b6d4d601

Weakness (CWE)

CWE	Source	Description
CWE-862	cna	Missing Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.1	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
7.2	HIGH	4.0	cna	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

References (3)