Unrestricted File Upload Vulnerability in SourceCodester Online Faculty Clearance System
CVE-2026-91005

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Online Faculty Clearance System
Vendor
CVE Published:
15 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-91005?

A security flaw has been identified in the SourceCodester Online Faculty Clearance System 1.0, specifically within the Profile Picture Upload component located in the edit_picture.php file. This vulnerability arises from the misconfiguration of the move_uploaded_file function, enabling remote attackers to manipulate file upload functionalities. By exploiting this flaw, an attacker can upload malicious files without any restrictions, significantly compromising the security of the system. The exploit has been made public, raising concerns about its potential to be used against vulnerable installations.

Affected Version(s)

Online Faculty Clearance 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-2026-91005 - Proof of Concept

References

https://vuldb.com/vuln/403588
vdb-entrytechnical-description
https://vuldb.com/vuln/403588/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-91005
third-party-advisory

CVSS V4

Score:
5.3
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

plutoyrw (VulDB User)
.