CVE-2026-69104 in Artifactory
Summary
by MITRE • 08/25/2026
An authenticated user may initiate repository migration operations without required repository permissions, potentially causing information disclosure, unauthorized state changes, and service disruption. Fixed versions address the issue.
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Analysis
by VulDB Data Team • 08/25/2026
The vulnerability described represents a critical authorization failure within a software platform that manages repositories, likely a version control or code hosting system such as GitLab. The core technical flaw lies in an insufficiently enforced access control mechanism on the endpoint responsible for initiating repository migration operations. In secure systems, any action that modifies state or exposes sensitive data must be gated by strict permission checks against the user's role and specific resource-level permissions. Here, the authentication layer successfully verifies the identity of the user, but the authorization logic fails to validate whether this authenticated entity possesses the requisite administrative or write privileges for the target repository before allowing the migration process to commence. This is a classic example of an Insecure Direct Object Reference (IDOR) combined with Broken Access Control, where the system trusts client-supplied identifiers without verifying if the user has permission to act upon them.
From a technical perspective, this flaw allows an authenticated attacker who lacks explicit permissions for a specific repository to trigger migration workflows targeting that repository. The operational impact of such unauthorized actions is multifaceted and severe. First, it can lead to information disclosure as the migration process may involve copying or exposing codebases, configuration files, or metadata associated with the target repository to locations accessible by the attacker. Second, it causes unauthorized state changes; migrating a repository often alters its internal structure, references, or integration settings, potentially breaking existing pipelines or workflows that depend on the original stable state of the repository. Third, and perhaps most critically for operational continuity, this can lead to service disruption. The migration process is typically resource-intensive, consuming significant CPU, memory, and I/O bandwidth. An attacker could exploit this by initiating multiple concurrent migrations against critical repositories, effectively creating a denial-of-service condition that degrades performance for all users or crashes the underlying services entirely.
This vulnerability aligns with several industry-standard classifications. It falls squarely under CWE-269: Improper Privilege Control, as it involves an actor obtaining privileges they were not intended to have. Furthermore, because the attack relies on manipulating object references without proper authorization checks, it maps to CWE-639: Authorization Bypass Through User-Controlled Key. In terms of offensive security frameworks like MITRE ATT&CK, this behavior is consistent with T1078: Valid Accounts and potentially T1499: Endpoint Denial of Service if the resource exhaustion aspect is exploited at scale. The lack of proper validation against repository-specific permissions indicates a gap in the implementation of Role-Based Access Control (RBAC) or Attribute-Based Access Control (ABAC) policies within the application's middleware layer.
Mitigation strategies must focus on reinforcing the authorization logic at multiple layers to ensure defense-in-depth. Primarily, developers should implement rigorous permission checks immediately upon receiving the migration request, verifying that the authenticated user holds specific write or admin rights for the target repository ID before any processing begins. This check must be performed server-side and cannot rely solely on client-side indicators of privilege. Additionally, implementing rate limiting on migration endpoints can mitigate the risk of denial-of-service attacks resulting from resource exhaustion. Logging and monitoring should also be enhanced to detect anomalous patterns, such as a single user attempting migrations across numerous repositories they do not own, which could indicate an active exploitation attempt. Organizations relying on affected versions must upgrade immediately to the fixed releases provided by the vendor, ensuring that all security patches related to access control are applied consistently across their infrastructure. Regular penetration testing focused on authorization bypasses is also recommended to identify similar gaps in other parts of the application logic before they can be exploited in production environments.