CVE-2026-29812 in CyberPanel
Summary
by MITRE • 09/13/2026
CyberPanel before 2.4.4 has no logging for actions that could potentially manipulate the child domains list.
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Analysis
by VulDB Data Team • 09/13/2026
The vulnerability identified in CyberPanel versions prior to 2.4.4 centers on a critical absence of audit trails regarding operations that modify the configuration or state of child domains within the hosting environment. As an open-source web hosting control panel, CyberPanel manages multiple domain names and their associated services for individual users or organizations. The lack of logging for actions affecting this list represents a significant gap in security observability, preventing administrators from detecting unauthorized modifications to domain configurations. This deficiency undermines the principle of accountability, which is essential for maintaining integrity within multi-tenant hosting architectures where distinct boundaries must be strictly enforced between different user accounts and their respective resources.
From a technical perspective, the flaw lies in the application logic handling requests that add, remove, or alter child domains without generating corresponding log entries. In a typical web server environment, operations such as creating new virtual hosts, modifying DNS records for subdomains, or changing SSL certificate assignments are sensitive actions that require strict access control and monitoring. When these specific administrative functions execute silently in the background, it becomes impossible to distinguish between legitimate configuration changes initiated by authorized administrators and malicious alterations performed by an attacker who has gained partial access to the system. This opacity allows threat actors to establish persistence mechanisms or pivot laterally within the network without leaving a digital footprint that would trigger alerts during incident response procedures.
The operational impact of this vulnerability is substantial, particularly for hosting providers managing numerous clients on shared infrastructure. Without detailed logs documenting which user account initiated changes to child domains, security teams cannot perform effective forensic analysis following a suspected breach. Attackers can exploit this blind spot to create rogue subdomains that redirect traffic to phishing sites or malicious servers, thereby damaging the reputation of the hosting provider and its customers. Furthermore, the inability to trace these actions hinders compliance with regulatory frameworks such as GDPR, HIPAA, or PCI DSS, which mandate comprehensive logging of access to sensitive data and system configurations. The absence of evidence makes it difficult to prove due diligence in security monitoring efforts during audits or legal proceedings.
This issue aligns closely with CWE-778 Insufficient Logging, a classification that highlights the failure to record events necessary for detection, investigation, and recovery from attacks. Additionally, it relates to ATT&CK technique T1078 Valid Accounts, as attackers often leverage compromised credentials to modify system configurations stealthily. The lack of logging facilitates this tactic by ensuring that such activities remain undetected by standard security information and event management systems. To mitigate these risks, immediate upgrades to CyberPanel version 2.4.4 or later are required, where the developers have presumably addressed this oversight by implementing robust audit logs for domain manipulation actions. In addition to upgrading, organizations should enforce strict access controls using role-based access control models to limit who can modify domain settings and ensure that all administrative activities are monitored through centralized logging solutions capable of alerting on anomalous behavior patterns related to configuration changes.