Missing Authentication Vulnerability in SourceCodester Smart Attendance System
CVE-2026-125076

6.9MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Smart Attendance System With Qr Code Scanner
Vendor
CVE Published:
9 November 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-125076?

A vulnerability exists in the SourceCodester Smart Attendance System with QR Code Scanner 1.0, particularly within the file api/attendance_handler.php associated with the JSON Endpoint. An attacker can exploit this flaw by manipulating the 'student_code' argument, leading to the possibility of bypassing authentication checks. This vulnerability can be exploited remotely, creating significant security risks for users of the product. A public exploit is available, highlighting the urgent need for implementing security measures.

Affected Version(s)

Smart Attendance System with QR Code Scanner 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-2026-125076 - Proof of Concept

References

https://vuldb.com/vuln/433180
vdb-entrytechnical-description
https://vuldb.com/vuln/433180/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-125076
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

yuechuya (VulDB User)
.