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CVE-2026-65916

CyberPanel Missing Authorization in cancelBackupCreation Handler

Published: Jul 23, 2026Updated: Jul 23, 2026 Sources: CVE List NVDCWE-862
8.1HIGH
NVD MITRE
EPSS Score
0.5%
Top 60.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-862

Affected Products

usmannasir
oss-project
cyberpanelOn-prem
Web & CMS Plugins / cms-core

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
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References

https://github.com/usmannasir/cyberpanel/commit/b1984603f9b0099b39bca46fea176e53b6d4d601
github.com
https://github.com/usmannasir/cyberpanel/issues/1829
github.com
https://www.vulncheck.com/advisories/cyberpanel-missing-authorization-in-cancelbackupcreation-handler
vulncheck.com

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