SQL Injection Vulnerability in PHPGurukul Complaint Management System 1.0
CVE-2026-75089

6.9MEDIUM

Key Information:

Vendor

PHPgurukul
Status
Complaint Management System
Vendor
CVE Published:
18 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-75089?

A vulnerability exists in the PHPGurukul Complaint Management System 1.0, specifically within the user/check_availability.php file. This weakness enables an attacker to manipulate the email argument, leading to SQL injection attacks. Such remote exploitation is possible and poses a significant risk, especially given that the exploit has been publicly disclosed. It is crucial for users of this system to take preventive measures to secure their applications against potential unauthorized database access.

Affected Version(s)

Complaint 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-2026-75089 - Proof of Concept

References

https://vuldb.com/vuln/391316
vdb-entrytechnical-description
https://vuldb.com/vuln/391316/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-75089
third-party-advisory

CVSS V4

Score:
6.9
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

niaoniaolll (VulDB User)
.