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": "2026-09-08T15:18:40.507Z",
  "pubdate": "2026-09-08T15:18:40.507Z",
  "executiveSummary": "This vulnerability is classified as a Missing Authorization flaw within Ivanti Neurons for ITSM, specifically affecting versions prior to 2026.2. The security defect allows a remote, authenticated attacker to bypass intended access control mechanisms to achieve arbitrary code execution on the underlying host server.\nThe vulnerability represents a critical security risk as it grants an attacker the ability to execute unauthorized instructions within the application's context. By exploiting the lack of robust authorization checks, an attacker can manipulate system operations, potentially leading to a full compromise of the ITSM infrastructure.\nThe attack requires the adversary to have an active authenticated session within the environment. Once authenticated, the attacker can leverage the missing authorization controls to invoke sensitive server-side functions that should be restricted, facilitating the execution of arbitrary code.\nThe potential impact includes unauthorized data exfiltration, complete system takeover, and the potential for lateral movement within the enterprise network. Organizations utilizing Ivanti Neurons for ITSM are urged to prioritize the update to version 2026.2 or later to eliminate this vector of exploitation.",
  "technicalDetails": "The root cause of this vulnerability lies in an improper implementation of authorization checks within the Ivanti Neurons for ITSM application framework. Specifically, the application fails to validate the permissions or authorization tokens of authenticated users when interacting with specific functional endpoints or system-level APIs.\nIn a secure deployment, these components should verify that the requesting user possesses the requisite administrative privileges before processing requests that could lead to code execution or system configuration changes. Due to the missing authorization, the application blindly trusts the incoming request, allowing unauthorized operations to be performed.\nThe exploitation method involves a remote authenticated attacker identifying a target API endpoint or functional area that lacks appropriate access control checks. By crafting a malicious request, the attacker can force the server to execute arbitrary commands or code payloads on the underlying operating system or within the server runtime environment.\nThe attack flow proceeds as follows: First, the attacker establishes an authenticated session on the target Ivanti Neurons for ITSM instance. Second, the attacker probes the application for endpoints that fail to verify authorization scopes. Third, the attacker transmits a specially crafted payload to the identified vulnerable component. Because the application logic fails to perform a secondary validation check, the backend server interprets the request as legitimate and executes the embedded code payload.\nThis vulnerability is particularly severe because the execution occurs within the context of the service account running the Ivanti Neurons for ITSM process. Consequently, the code execution is not restricted by standard user permissions, granting the attacker significant control over the server environment.\nThis flaw affects all versions of Ivanti Neurons for ITSM prior to 2026.2. The vulnerability is network-exposed, as the attacker can perform the exploitation remotely via the same protocols utilized for legitimate ITSM traffic, such as HTTP or HTTPS. Post-exploitation, an attacker may deploy persistence mechanisms, install backdoors, or attempt to pivot into sensitive internal network segments, effectively compromising the integrity, availability, and confidentiality of the ITSM deployment."
}