CVE-2026-23514 Overview
CVE-2026-23514 is a broken access control vulnerability affecting Kiteworks Core, a private data network (PDN) solution. Versions 9.2.0 and 9.2.1 of Kiteworks Core contain an access control flaw that allows authenticated users to access unauthorized content. This vulnerability enables authenticated attackers to bypass authorization mechanisms and gain access to sensitive data they should not be permitted to view.
Critical Impact
Authenticated users can exploit this access control vulnerability to access unauthorized content within the Kiteworks private data network, potentially exposing sensitive organizational data.
Affected Products
- Kiteworks Core version 9.2.0
- Kiteworks Core version 9.2.1
Discovery Timeline
- 2026-03-25 - CVE-2026-23514 published to NVD
- 2026-03-25 - Last updated in NVD database
Technical Details for CVE-2026-23514
Vulnerability Analysis
This vulnerability is classified under CWE-282 (Improper Ownership Management), indicating a fundamental flaw in how the application manages access rights and ownership of resources. The vulnerability allows authenticated users to circumvent authorization controls and access content they are not authorized to view.
The attack can be executed remotely over the network by any authenticated user with low complexity and without requiring user interaction. Successful exploitation can lead to significant confidentiality, integrity, and availability impacts within the affected Kiteworks Core deployment.
Root Cause
The root cause of CVE-2026-23514 lies in improper ownership management within Kiteworks Core versions 9.2.0 and 9.2.1. The application fails to properly validate user authorization when accessing content, allowing authenticated users to bypass intended access restrictions. This flaw in the access control mechanism means that the system does not adequately verify whether a requesting user has the appropriate permissions to access specific resources.
Attack Vector
The attack vector is network-based, meaning an attacker can exploit this vulnerability remotely. The attack requires:
- Authentication: The attacker must have valid credentials to authenticate to the Kiteworks Core system
- Network Access: The attacker needs network connectivity to the target Kiteworks deployment
- Request Manipulation: Once authenticated, the attacker can craft requests to access content belonging to other users or content they are not authorized to view
The vulnerability does not require any special privileges beyond basic authentication, making it exploitable by any authenticated user within the organization.
Detection Methods for CVE-2026-23514
Indicators of Compromise
- Unusual access patterns where users are accessing content outside their normal scope
- Audit log entries showing users accessing resources they do not own or have explicit permissions for
- Anomalous API requests attempting to enumerate or access content across different user contexts
Detection Strategies
- Review Kiteworks Core audit logs for access patterns that indicate users viewing content outside their authorized scope
- Implement monitoring for unusual content access requests from authenticated users
- Deploy application-level detection rules to identify authorization bypass attempts
Monitoring Recommendations
- Enable comprehensive audit logging within Kiteworks Core to capture all content access events
- Monitor for users accessing resources at a higher volume than their historical baseline
- Set up alerts for access attempts to sensitive content by users without explicit permissions
How to Mitigate CVE-2026-23514
Immediate Actions Required
- Upgrade Kiteworks Core to version 9.2.2 or later immediately
- Audit access logs to identify any potential unauthorized content access
- Review user permissions and access rights within the Kiteworks deployment
- Notify affected users if unauthorized access to their content is detected
Patch Information
Kiteworks has released version 9.2.2 which contains the security patch for this vulnerability. Organizations running Kiteworks Core versions 9.2.0 or 9.2.1 should upgrade immediately to version 9.2.2 or later. For detailed patch information and upgrade instructions, refer to the GitHub Security Advisory.
Workarounds
- Implement network segmentation to limit access to the Kiteworks deployment to trusted networks only
- Review and restrict user accounts to the minimum necessary permissions
- Monitor access logs closely for any suspicious activity until the patch can be applied
- Consider temporarily restricting access to highly sensitive content until the upgrade is complete
# Verify Kiteworks Core version
# Check current version to confirm if upgrade is needed
kiteworks --version
# After upgrading, verify the new version
# Ensure version is 9.2.2 or later
kiteworks --version
# Expected output: 9.2.2 or higher
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
