CVE-2026-9668
Deferred Deferred - Pending Action

Authentication Bypass via SQL Injection in Product

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: ZTE Corporation

Description
With legitimate user credentials in hand, attackers can construct malicious SQL statements to bypass authentication logic and execute arbitrary database queries directly. This will consequently lead to slow database queries and expanded query coverage. This vulnerability features a low exploitation threshold, wide scope of impact, requires no external privilege escalation, and is classified as a high-priority fix.

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Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-09-15
AI Q&A
2026-08-26
EPSS Evaluated
2026-09-14
NVD
CVE-2026-9668
EUVD
EUVD-2026-66341

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

Attack-Flow Graph

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Executive Summary

This vulnerability allows attackers with legitimate user credentials to craft malicious SQL statements that bypass authentication and execute arbitrary database queries. It can cause slow database performance and broaden query access. The attack requires low effort, affects a wide scope, and does not need additional privilege escalation.

Detection Guidance

Detecting this SQL injection vulnerability requires analyzing database query patterns and authentication bypass attempts. Monitor for slow database queries, unusual query coverage, or failed login attempts with legitimate credentials. Check database logs for suspicious SQL statements or patterns like 'OR 1=1' or 'UNION SELECT'.

Impact Analysis

Attackers could gain unauthorized access to sensitive data, manipulate or delete database records, and degrade database performance. This may lead to data breaches, loss of data integrity, or service disruptions.

Compliance Impact

This vulnerability could result in non-compliance with GDPR, HIPAA, or other regulations due to unauthorized data access or breaches. Organizations may face legal penalties, reputational damage, and mandatory breach notifications.

Mitigation Strategies

Implement strict input validation for all user-provided data in authentication and database query logic to prevent SQL injection. Use parameterized queries or prepared statements instead of dynamic SQL. Review and restrict database user permissions to minimize potential damage. Monitor database query performance for unusual slowdowns or expanded query coverage.

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