Description

A Missing Authorization vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote authenticated attacker to execute arbitrary code on the server.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.9",
  "pubDate": "2026-09-08T15:18:40.623Z",
  "pubdate": "2026-09-08T15:18:40.623Z",
  "executiveSummary": "A critical Missing Authorization vulnerability has been identified in Ivanti Neurons for ITSM versions prior to 2026.2. This flaw permits a remote authenticated attacker to bypass established security controls and execute arbitrary code directly on the underlying server architecture.\nThe vulnerability stems from improper access control mechanisms that fail to validate authorization for sensitive operations. By exploiting this gap, a malicious actor can gain unauthorized execution capabilities, potentially leading to a full system compromise, unauthorized data exfiltration, or lateral movement within the network.\nThe risk is severe as the exploit allows for remote command execution, which effectively grants the attacker control over the application's runtime environment. Given that Ivanti Neurons for ITSM often sits within critical enterprise infrastructure, the potential for operational disruption and unauthorized access to sensitive service management data is substantial.\nExploitation requires the attacker to possess authenticated access to the system. While this implies a level of prerequisite access, the impact is comprehensive, as the capability to execute arbitrary code bypasses the security boundaries of the application, rendering standard business logic and role-based access controls ineffective.",
  "technicalDetails": "The vulnerability identified in Ivanti Neurons for ITSM versions before 2026.2 is classified as a Missing Authorization flaw. This issue resides within the application's request handling pipeline, where certain administrative or system-level functions fail to enforce strict authorization checks upon incoming requests.\nThe root cause is a failure in the application's security middleware to verify if the authenticated user possesses the appropriate permissions before executing sensitive internal functions. In a secure architecture, requests originating from authenticated users should undergo secondary authorization validation to ensure the requested action is consistent with the user's defined roles and the system's security policy.\nExploitation of this vulnerability involves an attacker leveraging their existing authenticated session to trigger an endpoint or function that processes user-supplied input without sufficient privilege verification. By crafting a malicious request, the attacker can supply arbitrary parameters that are subsequently processed by the server-side code.\nThe attack flow proceeds as follows: First, the attacker initiates a session by authenticating to the Ivanti Neurons for ITSM platform using valid credentials. Second, the attacker identifies a vulnerable interface or API endpoint that is improperly shielded from unauthorized access. Third, the attacker transmits a specifically crafted request to this endpoint containing a malicious payload. Because the application logic fails to perform a formal authorization check, the server executes the payload within the context of the service account under which the Ivanti application is running.\nThis execution capability effectively provides the attacker with Remote Code Execution (RCE) on the host server. The payload behavior can range from simple command execution—such as system reconnaissance or environment variable discovery—to complex operations like the deployment of persistent backdoors or the modification of configuration files to facilitate further exploitation.\nPost-exploitation impact is catastrophic, as the attacker operates with the privilege level of the application service account. This frequently allows for full administrative control over the application data, access to interconnected databases, and potential escalation to the underlying operating system. Because this occurs after the initial authentication, the vulnerability bypasses the intended compartmentalization of the ITSM environment, allowing an attacker to manipulate server-side processes and bypass all logical security controls implemented within the Ivanti Neurons for ITSM software suite."
}