Description

IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to delete or overwrite arbitrary control-plane assets due to an insecure direct object reference.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "8.1",
  "pubDate": "2026-11-07T05:18:41.723Z",
  "pubdate": "2026-11-07T05:18:41.723Z",
  "executiveSummary": "IBM API Connect versions 12.1.0.0 through 12.1.1.2 contain a security vulnerability categorized as an Insecure Direct Object Reference (IDOR).\nThis vulnerability resides within the control-plane management layer, allowing an authenticated remote attacker to perform unauthorized modifications or deletions of critical system assets.\nThe flaw stems from a failure to perform adequate authorization checks when processing requests for object manipulation, enabling users to interact with assets outside their authorized scope.\nThe primary risk involves the integrity of the API management infrastructure; an attacker could potentially disrupt service availability, modify gateway configurations, or delete administrative assets, leading to operational instability.\nExploitation requires the attacker to possess authenticated access to the API Connect environment, though no elevated administrative privileges are explicitly required if the target asset reference can be successfully manipulated.\nOrganizations using the specified versions are exposed to potential unauthorized administrative operations that bypass intended access control policies.",
  "technicalDetails": "The vulnerability is an Insecure Direct Object Reference (IDOR) affecting IBM API Connect versions 12.1.0.0 through 12.1.1.2. The root cause is an improper implementation of authorization logic within the control-plane APIs responsible for asset lifecycle management. Specifically, the application fails to validate whether the authenticated requester maintains sufficient ownership or permissions over the specific resource identifier provided in the request parameters.\nIn a standard deployment of IBM API Connect, control-plane operations are governed by role-based access control (RBAC). However, the identified flaw occurs when the backend service consumes identifiers (e.g., UUIDs or resource IDs) from incoming API requests without performing a server-side cross-reference check against the session identity of the caller. This allows an attacker to supply arbitrary identifiers corresponding to sensitive assets—such as API definitions, environment configurations, or security policies—within the management plane.\nThe attack flow proceeds as follows: First, the attacker establishes a valid authenticated session within the API Connect environment. Second, the attacker performs reconnaissance to identify valid resource IDs or utilizes predictable patterns if asset references are discoverable through other interface endpoints. Third, the attacker crafts a malicious request (typically a DELETE or PUT/PATCH operation) targeting the management API endpoint. By substituting the intended resource identifier with the identifier of a restricted or sensitive asset, the attacker forces the application to perform the action on the target asset.\nBecause the server-side logic relies solely on the presence of a valid session token rather than validating the object-level authorization, the application executes the request. The vulnerable component is the control-plane management service responsible for parsing and executing asset lifecycle commands. Successful exploitation results in the permanent deletion or unintended overwriting of control-plane configurations. The post-exploitation impact is severe, potentially resulting in a complete loss of API gateway configuration, service outage, or the injection of malicious metadata into the control-plane, which may lead to secondary security implications for the downstream APIs managed by the affected IBM API Connect instance. The lack of strict authorization checks on these object references breaks the isolation between different management contexts within the platform."
}