Unrestricted File Upload Vulnerability in SourceCodester Simple Doctors Appointment System
CVE-2026-19839

5.1MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Simple Doctors Appointment System
Vendor
CVE Published:
14 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19839?

The Simple Doctors Appointment System version 1.0 by SourceCodester contains a vulnerability in the save_doctor function located in /save_file.php. This flaw allows attackers to remotely upload files without proper restrictions, posing significant security risks to the system. The exploit method has been made public, emphasizing the need for immediate remediation to safeguard the application and its users.

Affected Version(s)

Simple Doctors Appointment 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-2026-19839 - Proof of Concept

References

https://vuldb.com/vuln/389977
vdb-entrytechnical-description
https://vuldb.com/vuln/389977/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19839
third-party-advisory

CVSS V4

Score:
5.1
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

HZFW2026 (VulDB User)
.