Description

A vulnerability in the underlying operating system of HPE Networking Fabric Composer could allow an authenticated low privilege operator user with local access to upstream AFC dependencies to view sensitive information. Successful exploitation could allow an attacker to access data beyond what is authorized by the user's existing privilege level, potentially leading to further unauthorized access.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.5",
  "pubDate": "2026-09-01T20:17:20.490Z",
  "pubdate": "2026-09-01T20:17:20.490Z",
  "executiveSummary": "This vulnerability involves an information disclosure flaw residing within the underlying operating system of HPE Networking Fabric Composer (NFC). The vulnerability allows an authenticated operator with low-level privileges to bypass intended access controls by interacting with upstream AFC dependencies.\nThe vulnerability is classified as an authorization and access control failure, specifically manifesting as an improper privilege boundary enforcement. By exploiting the inherent permissions assigned to upstream components, a low-privileged user can view sensitive data they are not authorized to access.\nThe impact is significant, as successful exploitation facilitates unauthorized information exposure, which could serve as a precursor to more severe attacks, such as lateral movement or privilege escalation within the management environment.\nExploitation requires the attacker to possess a legitimate low-privilege operator account and local access to the affected upstream dependencies. Once the initial access is obtained, the attacker can leverage the underlying OS misconfiguration to extract data from protected resources. This vulnerability poses a risk to confidentiality and data integrity, potentially exposing administrative configurations, credentials, or operational metadata to unauthorized operators.",
  "technicalDetails": "The vulnerability originates from an insecure configuration within the underlying operating system architecture of HPE Networking Fabric Composer, specifically concerning the interaction between the application layer and upstream AFC dependencies. The root cause is an authorization bypass mechanism where the system fails to enforce granular access control policies for operators interacting with the underlying OS environment.\nThe attack flow begins with an attacker obtaining legitimate authenticated access to the system as a low-privileged operator. Despite the limited scope of the operator's defined role within the application, the underlying operating system fails to properly isolate the operator's session from sensitive data structures managed by upstream AFC dependencies. Through local access, the attacker interacts with these dependencies in a manner that bypasses the application's authorization checks.\nBecause the underlying operating system environment does not maintain strict privilege separation for these upstream components, the operator can leverage existing OS-level read permissions to gain visibility into memory segments or configuration files that are typically reserved for higher-privileged administrative entities. This is a classic case of privilege boundary erosion, where the lack of proper sandboxing or namespace isolation within the OS allows an attacker to 'reach across' their permitted scope.\nTechnically, the vulnerability suggests that the upstream dependencies store or expose sensitive artifacts in locations or via interfaces that are improperly permissioned against the operator-level account. When an operator queries these dependencies, the system grants the request because the underlying OS trusts the dependency context rather than validating the authenticated user's authorization level against the specific resource requested. Consequently, the payload consists of legitimate but unauthorized data access requests that the underlying OS erroneously fulfills.\nPost-exploitation impact includes, but is not limited to, the exposure of cryptographic keys, configuration data, sensitive environmental variables, or network topology information. Such disclosures significantly increase the attack surface, allowing the operator to craft more sophisticated exploitation strings, pivot to other system components, or gain insights into the administrative workflow that could be utilized for further unauthorized access or complete system compromise."
}