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CVE-2026-125076— SourceCodester Smart Attendance System with QR Code Scanner JSON Endpoint attendance_handler.php missing authentication

Quick assessment

Affected

SourceCodester Smart Attendance System with QR Code Scanner

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 SourceCodester 智能考勤系统（带二维码扫描功能）1.0 版本中发现了一个漏洞。该漏洞影响组件 JSON 端点中文件的某个未知功能。通过对参数进行篡改，可导致身份验证机制失效。攻击者可远程发起此攻击。相关利用代码已公开，可能被利用。

CVSS 7.3 · High Updated Nov 10, 2026

Possible ATT&CK Techniques 2 AI

T1190 · Exploit Public-Facing Application T1551

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Vulnerability Information

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Vulnerability Title

SourceCodester Smart Attendance System with QR Code Scanner JSON Endpoint attendance_handler.php missing authentication

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was found in SourceCodester Smart Attendance System with QR Code Scanner 1.0. Affected is an unknown function of the file api/attendance_handler.php of the component JSON Endpoint. Performing a manipulation of the argument student_code results in missing authentication. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

关键功能的认证机制缺失

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
SourceCodester	Smart Attendance System with QR Code Scanner	1.0	`cpe:2.3:a:sourcecodester:smart_attendance_system_with_qr_code_scanner::::::::`

II. Public POCs for CVE-2026-125076

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-125076

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Other References for CVE-2026-125076 (2)

Free Source Code Projects and Tutorials - sourcecodester.com product
CVE-2026-125076 | SourceCodester Smart Attendance System with QR Code Scanner 1.0 JSON Endpoint attendance_handler.php student_code missing authentication vdb-entry technical-description

Other References for CVE-2026-125076 (4)

https://github.com/yuechuya/sourcecodester-vuln-reports/blob/main/reports/VULN-03-Unauthenticated-Attendance-Write.md exploit
https://vuldb.com/cve/CVE-2026-125076 third-party-advisory
https://vuldb.com/vuln/433180/cti signature permissions-required
https://vuldb.com/submit/1041014 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-125076

Same Patch Batch · SourceCodester · 2026-11-09 · 6 CVEs total

CVE-2026-125075	7.3 HIGH	SourceCodester Smart Attendance System with QR Code Scanner Admin Account Creation create_
CVE-2026-125074	7.3 HIGH	SourceCodester Smart Attendance System with QR Code Scanner Password Reset reset_password.
CVE-2026-124571	6.3 MEDIUM	SourceCodester Simple CRUD using PHP and FPDF register.php sql injection
CVE-2026-125077	4.3 MEDIUM	SourceCodester Smart Attendance System with QR Code Scanner cross-site request forgery
CVE-2026-124570	2.4 LOW	SourceCodester Online Leave Management System Employee Avatar Upload Extension Master.php

IV. Related Vulnerabilities

Same product: Smart Attendance System with QR Code Scanner

Same vendor: SourceCodester

Same weakness: CWE-306