CVE-2026-86290
Received Received - Intake

SQL Injection in Online Voting System 1.0

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: VulDB

Description
A weakness has been identified in SourceCodester Online Voting System 1.0. This affects an unknown function of the file /voting/ajax.php?action=save_category. This manipulation of the argument Category causes sql injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

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Meta Information

Published
2026-09-07
Last Modified
2026-09-07
Generated
2026-09-07
AI Q&A
2026-09-07
EPSS Evaluated
N/A
NVD
CVE-2026-86290
EUVD
EUVD-2026-72318

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sourcecodester online_voting_system 1.0

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.
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

This vulnerability is a SQL injection flaw in the Online Voting System Project 1.0. It exists in the file /voting/ajax.php?action=save_category due to improper input validation of the 'category' parameter. Attackers can inject malicious SQL queries through this parameter, allowing unauthorized database access and manipulation without authentication.

Detection Guidance

To detect SQL injection vulnerabilities like CVE-2026-86290, you can use tools such as SQLmap to test the affected endpoint. Example command: sqlmap -u "http://target/voting/ajax.php?action=save_category&category=test" --batch. Additionally, inspect web server logs for suspicious queries containing SQL syntax like 'UNION SELECT' or 'OR 1=1'.

Impact Analysis

This vulnerability can lead to severe impacts such as unauthorized database access, data tampering, sensitive data leakage, and potential system compromise. Attackers could exploit it to manipulate voting data, steal user information, or disrupt system operations.

Compliance Impact

This SQL injection vulnerability could lead to unauthorized database access, data tampering, and sensitive data leakage. Such breaches may violate GDPR's data protection requirements and HIPAA's safeguards for protected health information, potentially resulting in non-compliance with these regulations.

Mitigation Strategies

Immediately apply input validation to sanitize the 'category' parameter in /voting/ajax.php. Replace dynamic SQL queries with prepared statements using parameterized queries. Restrict database user permissions to least privilege. Update and patch the system if vendor fixes are available.

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