Executive Summary

CVE-2026-10880 is an unauthenticated SQL injection vulnerability in the OSNexus QuantaStor SDS Manager, specifically affecting the login endpoint. The username field is not properly sanitized before being used in a SQL query, which allows a remote attacker to inject malicious SQL code.

This flaw enables an attacker to bypass authentication and log in as an administrator without needing a valid password. Additionally, attackers can exploit blind SQL injection techniques to extract sensitive data such as administrator password hashes by analyzing error messages returned from the system.

Useful 0 Not Useful 0

Compliance Impact

The vulnerability allows unauthenticated attackers to bypass authentication and gain administrator access, potentially exposing sensitive data stored within the system.

Such unauthorized access and potential data exposure can lead to violations of data protection regulations like GDPR and HIPAA, which require strict controls on access to personal and sensitive information.

Therefore, this vulnerability poses a significant risk to compliance with these standards by undermining the confidentiality, integrity, and availability of protected data.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can have severe impacts including unauthorized administrative access to the affected system. An attacker can bypass login controls, gaining full administrative privileges without valid credentials.

With administrative access, the attacker can manipulate, steal, or destroy sensitive data, disrupt system operations, and potentially use the compromised system as a foothold for further attacks within the network.

The CVSS score of 9.8 indicates a critical severity, highlighting the high risk and potential damage from exploitation.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability can be detected by testing the login endpoint's username field for SQL injection. An attacker or tester can inject SQL payloads into the username field to observe if authentication can be bypassed or if error messages reveal database information.

Detection involves sending crafted requests to the login form with SQL injection payloads in the username field and analyzing the responses for authentication bypass or error-based information leakage.

• Use tools like sqlmap or manual curl commands to inject SQL payloads into the username parameter of the login endpoint.
• Example curl command to test for SQL injection (replace <URL> with the target login endpoint):
• curl -X POST <URL> -d 'username=admin' OR '1'='1' --data-urlencode 'password=anything'
• Observe if authentication is bypassed or if error messages differ when injecting different payloads.

Useful 0 Not Useful 0

Mitigation Strategies

Immediate mitigation steps include restricting access to the login endpoint, applying input validation and sanitization on the username field to prevent SQL injection, and updating the software to a patched version once available.

Until a patch is applied, consider implementing network-level protections such as firewall rules or web application firewalls (WAF) to block malicious SQL injection attempts targeting the login endpoint.

Additionally, monitor logs for suspicious login attempts or unusual error messages that may indicate exploitation attempts.

Useful 0 Not Useful 0