SQL Injection Vulnerability in itsourcecode Electronic Judging System
CVE-2026-9528

6.9MEDIUM

Key Information:

Vendor

Itsourcecode

Status
Electronic Judging System
Vendor
CVE Published:
26 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9528?

A vulnerability exists in the itsourcecode Electronic Judging System that allows remote attackers to exploit an unknown function in the /admin/delete_judge.php file. This vulnerability occurs due to improper handling of the 'judge_id' argument, leading to a SQL injection condition. The exploit is publicly available, raising concerns about potential unauthorized access to sensitive database information, emphasizing the need for immediate remediation.

Affected Version(s)

Electronic Judging 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-2026-9528 - Proof of Concept

References

https://vuldb.com/vuln/365547
vdb-entrytechnical-description
https://vuldb.com/vuln/365547/cti
signaturepermissions-required
https://vuldb.com/submit/814738
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

zulu (VulDB User)
.