Access Control Flaw in PHPGurukul Bank Locker Management System
CVE-2026-90518

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-2026-90518?

A security flaw has been identified in the PHPGurukul Bank Locker Management System, specifically within the sidebar.php file. This vulnerability arises from improper access controls triggered by the manipulation of the UserType argument. Remote attacks can exploit this flaw, potentially allowing unauthorized access to sensitive functionalities. The exploit has been publicly disclosed, emphasizing the urgency for users to address this security issue to prevent potential threats.

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-2026-90518 - Proof of Concept

References

https://vuldb.com/vuln/403105
vdb-entrytechnical-description
https://vuldb.com/vuln/403105/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90518
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)
.