SQL Injection Vulnerability in SourceCodester Online Voting System
CVE-2026-86290

6.9MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86290?

A vulnerability has been discovered in the SourceCodester Online Voting System 1.0, specifically affecting the /voting/ajax.php file when the action 'save_category' is invoked. This flaw allows for SQL injection through the manipulation of the 'Category' argument. Attackers can exploit this vulnerability remotely, posing a significant threat to the integrity of the application. The exploit has been publicly disclosed, making it essential for users and administrators to review their security measures and apply necessary patches.

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-2026-86290 - Proof of Concept

References

https://vuldb.com/vuln/399452
vdb-entrytechnical-description
https://vuldb.com/vuln/399452/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86290
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

W5M1n9 (VulDB User)
.