SQL Injection Vulnerability in SourceCodester Online Voting System 1.0
CVE-2026-86159

6.9MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Online Voting System
Vendor
CVE Published:
6 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86159?

A security flaw was identified in the SourceCodester Online Voting System 1.0, specifically in the handling of user input via the /ajax.php?action=save_user endpoint. This vulnerability permits remote attackers to manipulate the ID parameter, leading to SQL injection. Exploiting this weakness allows unauthorized access to the database, potentially compromising sensitive user data and application integrity. Security measures should be implemented to mitigate the risks associated with this vulnerability.

Affected Version(s)

Online Voting System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-86159 - Proof of Concept

References

https://vuldb.com/vuln/399284
vdb-entrytechnical-description
https://vuldb.com/vuln/399284/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86159
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

xiaolei (VulDB User)
.