Unrestricted File Upload Vulnerability in PHPGurukul Bank Locker Management System
CVE-2026-90519

5.3MEDIUM

Key Information:

Vendor

PHPgurukul
Status
Bank Locker Management System
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90519?

A security vulnerability has been discovered in PHPGurukul's Bank Locker Management System version 1.0. The issue arises from a flaw within an unspecified function in the file /blms/banker/add-locker-form.php, which allows attackers to manipulate the argument 'addressproof' resulting in unrestricted file uploads. This vulnerability could permit remote attackers to exploit the system, potentially leading to further malicious actions. Publicly available exploit techniques pose an increased risk of exploitation, emphasizing the importance of immediate attention to security measures.

Affected Version(s)

Bank Locker Management 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-2026-90519 - Proof of Concept

References

https://vuldb.com/vuln/403106
vdb-entrytechnical-description
https://vuldb.com/vuln/403106/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90519
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

Racosmo (VulDB User)
.