CVE-2025-9572: Foreman GraphQL API Auth Bypass Flaw

CVE-2025-9572 Overview

An authorization flaw in Foreman's GraphQL API allows low-privileged users to access metadata beyond their assigned permissions. Unlike the REST API, which correctly enforces access controls, the GraphQL endpoint does not apply proper filtering, leading to an authorization bypass. This vulnerability represents a significant gap in access control implementation where the GraphQL API fails to enforce the same permission checks that are properly implemented in the REST API.

Critical Impact
Low-privileged authenticated users can bypass authorization controls to access sensitive metadata through the GraphQL API endpoint, potentially exposing confidential system information.

Affected Products

Foreman (versions with GraphQL API enabled)
Red Hat Satellite (as referenced in RHSA advisories)
Red Hat products using Foreman components

Discovery Timeline

2026-02-27 - CVE-2025-9572 published to NVD
2026-02-27 - Last updated in NVD database

Technical Details for CVE-2025-9572

Vulnerability Analysis

This vulnerability stems from inconsistent authorization enforcement between Foreman's two API implementations. While the REST API properly validates user permissions before returning data, the GraphQL API fails to apply equivalent access control filters. This discrepancy allows authenticated users with limited privileges to query and retrieve metadata that should be restricted based on their role assignments.

The vulnerability is classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor), indicating that the flaw results in information disclosure to users who should not have access to specific data. The network-accessible nature of this vulnerability means any authenticated user with network access to the Foreman GraphQL endpoint can potentially exploit this weakness.

Root Cause

The root cause lies in the authorization layer implementation within Foreman's GraphQL API. When processing GraphQL queries, the application fails to apply the same permission-based filtering logic that exists in the REST API. This creates an authorization bypass where the GraphQL resolvers return data without verifying whether the requesting user has appropriate permissions to access the queried resources.

Attack Vector

The attack vector requires network access and low-privilege authentication. An attacker must first obtain valid credentials to access the Foreman system, even with minimal permissions. Once authenticated, they can craft GraphQL queries targeting metadata resources that would normally be restricted. The GraphQL endpoint processes these queries without proper authorization checks, returning data that the user's assigned role should not permit access to.

The vulnerability can be exploited by sending carefully constructed GraphQL queries to the API endpoint. An attacker would enumerate available fields and types through GraphQL introspection, then query for sensitive metadata such as host configurations, organizational structures, or system parameters that exceed their authorized scope. For technical exploitation details, refer to the Foreman Security Advisory and Red Hat Bug Report #2391715.

Detection Methods for CVE-2025-9572

Indicators of Compromise

Unusual GraphQL query patterns from low-privileged user accounts attempting to access administrative metadata
Increased volume of GraphQL API requests compared to baseline activity, particularly introspection queries
Authentication logs showing users querying resources outside their typical operational scope
GraphQL query logs containing requests for sensitive metadata fields by unauthorized accounts

Detection Strategies

Implement logging for all GraphQL API requests with user identity correlation to identify permission boundary violations
Monitor for GraphQL introspection queries which may indicate reconnaissance activity preceding exploitation
Compare user permission levels against resources accessed through GraphQL queries to detect authorization bypasses
Deploy API anomaly detection to identify unusual query patterns or data access requests

Monitoring Recommendations

Enable detailed audit logging on Foreman GraphQL endpoints to capture query content and user context
Establish baseline GraphQL usage patterns per user role to facilitate deviation detection
Configure alerts for GraphQL queries accessing metadata types that don't align with the requesting user's assigned permissions
Review GraphQL query logs regularly for signs of enumeration or unauthorized data access attempts

How to Mitigate CVE-2025-9572

Immediate Actions Required

Apply the security patches referenced in Red Hat Security Advisories RHSA-2025:21886, RHSA-2025:21893, RHSA-2025:21894, and RHSA-2025:21897
Review and audit user accounts with GraphQL API access to ensure principle of least privilege
Consider temporarily disabling GraphQL API access if not operationally required until patches are applied
Implement network-level restrictions to limit GraphQL endpoint access to trusted sources

Patch Information

Security patches addressing this authorization bypass are available through the following Red Hat Security Advisories:

RHSA-2025:21886 - Red Hat Security Advisory
RHSA-2025:21893 - Red Hat Security Advisory
RHSA-2025:21894 - Red Hat Security Advisory
RHSA-2025:21897 - Red Hat Security Advisory

Additional details can be found in the Foreman Security Update and the Red Hat CVE Record.

Workarounds

Disable GraphQL API access entirely if the functionality is not required for operations
Implement network segmentation to restrict GraphQL endpoint access to administrative networks only
Use reverse proxy or API gateway rules to block GraphQL queries from users without explicit authorization
Monitor and audit all GraphQL API activity until patches can be applied to production systems

bash

# Example: Restrict GraphQL endpoint access via Apache configuration
# Add to Foreman Apache configuration to limit GraphQL access
<Location /api/graphql>
    Require group foreman-admins
    # Or restrict by IP range
    # Require ip 10.0.0.0/8 192.168.0.0/16
</Location>