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.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.3",
  "pubDate": "2026-08-26T08:16:46.830Z",
  "pubdate": "2026-08-26T08:16:46.830Z",
  "executiveSummary": "This vulnerability is classified as an SQL injection (SQLi) flaw that facilitates authentication bypass and unauthorized arbitrary database query execution. By leveraging legitimate user credentials, an attacker can manipulate backend database queries to circumvent security controls. The impact is significant, potentially leading to unauthorized data access, database performance degradation due to unoptimized query execution, and expanded query coverage. The vulnerability is characterized by a low exploitation threshold, requiring no external privilege escalation beyond initial legitimate access. Given the risk of data exfiltration and integrity compromise, this issue is categorized as a high-priority fix. The attack requires authenticated access, which reduces the barriers to entry for an adversary already possessing valid credentials. System administrators must prioritize input sanitization and secure coding practices to mitigate the risk of unauthorized database interaction.",
  "technicalDetails": "The root cause of this vulnerability lies in the improper neutralization of user-supplied data within SQL statements. When the application incorporates input from an authenticated user into database queries without appropriate parameterization or escaping, it permits the modification of the intended query logic. By injecting malicious SQL syntax through input vectors intended for legitimate data, an attacker can alter the control flow of the authentication process.\nThe exploitation flow begins with the attacker utilizing valid credentials to establish an authenticated session. Upon gaining entry, the attacker identifies vulnerable input fields—such as search parameters, filters, or identity identifiers—that interact directly with the database. The attacker crafts a payload that breaks out of the intended data context, typically by employing characters like single quotes, comments, or logical operators (e.g., OR 1=1).\nOnce the SQL query structure is successfully manipulated, the attacker can bypass authentication checks that rely on these queries to validate session state or permissions. Furthermore, the ability to execute arbitrary queries allows the attacker to perform lateral database operations, including data extraction from tables not intended to be accessed by the current user role. The payload behavior may involve forcing complex or recursive query structures, which leads to significant database performance degradation, manifesting as slow query execution times. This expanded query coverage allows the attacker to probe the database schema and extract sensitive information that would otherwise be protected by application-level logic.\nBecause the attacker already possesses legitimate user credentials, the vulnerability effectively elevates the attacker's capabilities to that of a database superuser or an unauthorized application administrator within the context of the vulnerable database driver. No external privilege escalation or exploit chains are necessary to achieve the stated impact. The exposure is limited to the database layer, but the consequences—including unauthorized data access and denial-of-service via resource exhaustion—are severe."
}