CVE-2026-76145 in Genian SSL PNS
Summary
by MITRE • 10/01/2026
An improper privilege management vulnerability in Genian SSL PNS allows an attacker to escalate to super administrator privileges and force the creation of an OS account by manipulating the permission column during CSV bulk user registration
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Analysis
by VulDB Data Team • 10/01/2026
The identified vulnerability resides within the Genian Secure Network Access (SNA) platform, specifically affecting its Privileged Session Management (PNS) module. This component is critical for managing administrative access and enforcing least-privilege policies across enterprise environments. The core technical flaw stems from an improper privilege management mechanism during the CSV bulk user registration process. When administrators upload a Comma-Separated Values file to create multiple user accounts simultaneously, the system fails to adequately validate or sanitize the permission attributes embedded within that data structure. Specifically, the application allows an attacker who possesses lower-level administrative privileges to manipulate the permission column in the uploaded CSV file. By injecting values corresponding to super administrator roles into this field, the backend processing logic erroneously accepts these inputs and assigns elevated access rights to the newly created accounts without performing sufficient authorization checks against the requesting user's actual privilege level.
This flaw effectively bypasses standard role-based access control mechanisms, allowing for a direct escalation of privileges from a restricted administrative account to one with super administrator capabilities. The operational impact is severe, as it grants the attacker full control over the Genian SNA infrastructure. With super administrator rights, an adversary can modify security policies, view sensitive audit logs, manage other user accounts, and potentially access connected systems through the privileged sessions managed by the platform. Furthermore, the vulnerability enables the forced creation of operating system accounts with elevated privileges on target endpoints or servers that are integrated with the Genian solution. This capability allows attackers to establish persistent backdoors, move laterally across the network using valid credentials, and exfiltrate data from systems they would otherwise not be able to access under normal operational conditions.
From a classification perspective, this vulnerability aligns closely with CWE-269: Improper Privilege Control, as it involves an actor obtaining privileges that are beyond their designated level of authorization. It also relates to CWE-732: Incorrect Permission Assignment for Critical Resource, since the permission assignment logic fails to restrict access based on the user's actual role during a bulk operation. In terms of offensive security frameworks, this behavior is consistent with MITRE ATT&CK technique T1078: Valid Accounts, where attackers leverage legitimate credentials and permissions that have been improperly escalated or created through manipulation. The attack vector typically involves social engineering to obtain initial low-level access followed by the exploitation of this specific input validation failure during routine administrative tasks such as user provisioning.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. Organizations running affected versions of Genian SNA should immediately apply vendor-provided patches that correct the permission handling logic in the CSV import function. Until patching is possible, administrators should restrict access to bulk user registration features to only those users with existing super administrator privileges, thereby limiting exposure to lower-privileged accounts. Additionally, implementing strict input validation on all fields within uploaded configuration files can prevent malicious data injection. Security teams should also audit recent user creation logs for any anomalies in permission assignments and revoke unauthorized elevated rights immediately. Regular penetration testing focusing on privilege escalation paths during administrative workflows is recommended to identify similar weaknesses before they are exploited by adversaries aiming to compromise critical infrastructure components.