SQL Injection Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-86209

6.9MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Class And Exam Timetabling System
Vendor
CVE Published:
6 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86209?

A vulnerability has been detected in the SourceCodester Class and Exam Timetabling System 1.0. This issue involves an inadequately protected function within the /delete_user.php file, which can be exploited through remote SQL injection via manipulated argument IDs. Attackers can potentially execute arbitrary SQL queries to access or alter sensitive data. Publicly disclosed exploit methods increase the urgency for users of the affected version to implement security measures to protect their systems.

Affected Version(s)

Class and Exam Timetabling 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-2026-86209 - Proof of Concept

References

https://vuldb.com/vuln/399344
vdb-entrytechnical-description
https://vuldb.com/vuln/399344/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86209
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

justconter (VulDB User)
.