CVE-2026-12645 in Neurons for ITSM
Summary
by MITRE • 09/08/2026
A Missing Authorization vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote authenticated attacker to execute arbitrary code on the server.
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Analysis
by VulDB Data Team • 09/08/2026
The identified security flaw represents a critical failure in access control mechanisms within Ivanti Neurons for ITSM, specifically affecting versions released prior to version 2026.2. This vulnerability is classified as a Missing Authorization issue, which falls under the broader category of Broken Access Control vulnerabilities defined by the Common Weakness Enumeration (CWE) standard as CWE-862. In this context, the application fails to properly verify whether an authenticated user has the necessary privileges to perform specific actions or access certain resources. While the attacker is required to be authenticated, meaning they possess valid credentials, the system does not adequately enforce role-based or privilege-based restrictions on subsequent API calls or administrative functions. This gap allows a remote actor who has successfully logged into the platform to bypass intended security boundaries and escalate their privileges beyond what was originally granted upon authentication.
The technical nature of this flaw involves the server processing requests from authenticated users without validating that those users are authorized for the specific operation being requested. Typically, in secure architectures, every request must be checked against an access control list or policy engine to ensure the user's role permits the action. In Ivanti Neurons for ITSM versions before 2026.2, this validation step is either absent or incorrectly implemented for certain endpoints or functions. Consequently, a remote authenticated attacker can manipulate these requests to execute arbitrary code on the server hosting the application. This capability transforms what might otherwise be a simple privilege escalation into a full system compromise, as executing arbitrary code grants the attacker complete control over the underlying operating environment of the Ivanti Neurons instance.
The operational impact of this vulnerability is severe and far-reaching for organizations relying on Ivanti Neurons for ITSM to manage their service desk operations. Since the attack vector allows for remote code execution, an adversary can install malware, exfiltrate sensitive data, modify system configurations, or use the compromised server as a pivot point to launch attacks against other internal systems. This directly compromises the confidentiality, integrity, and availability of the organization's IT infrastructure. Furthermore, because Ivanti Neurons often serves as a central hub for incident management and service requests, compromising it can disrupt critical business processes and expose proprietary information contained within ticketing records or linked databases. The ability to execute code remotely means that physical access is not required, significantly increasing the risk surface and making this vulnerability highly attractive to threat actors seeking initial footholds in enterprise networks.
From a tactical perspective, this vulnerability aligns with several techniques outlined in the MITRE ATT&CK framework. It relates primarily to Privilege Escalation via Broken Access Control, allowing attackers to move from a standard user account to an administrative or system-level identity. Once arbitrary code execution is achieved, it facilitates lateral movement and persistence mechanisms commonly associated with advanced persistent threats. The lack of proper authorization checks also reflects weaknesses in input validation and session management practices that are critical for maintaining secure web application architectures. Organizations must recognize that authentication alone is insufficient; robust authorization controls are essential to prevent authenticated users from performing actions outside their designated scope.
To mitigate this risk, immediate action is required to update the Ivanti Neurons for ITSM environment to version 2026.2 or later, where these access control flaws have been addressed by the vendor. Until patching can be implemented, organizations should implement strict network segmentation to isolate the affected servers from untrusted networks and limit administrative access to a minimal set of trusted IP addresses. Additionally, deploying Web Application Firewalls with rules specifically tuned to detect anomalous API calls or unauthorized privilege escalation attempts can provide an additional layer of defense. Continuous monitoring for unusual system behavior, such as unexpected process executions or changes in file permissions on the server hosting Ivanti Neurons, is also recommended to detect potential exploitation activities early. Regular audits of user roles and permissions should be conducted to ensure that least-privilege principles are strictly enforced across all accounts within the platform.