SQL Injection Vulnerability in itsourcecode Leave Management System Affects Remote Operations
CVE-2026-103543

5.3MEDIUM

Key Information:

Vendor

Itsourcecode

Status
Leave Management System
Vendor
CVE Published:
1 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-103543?

A vulnerability exists in the itsourcecode Leave Management System 1.0 that allows attackers to exploit an unknown function within the /module/leavetype/controller.php file. By manipulating the LEAVTID argument, an attacker can execute SQL injection attacks remotely. This vulnerability has been disclosed publicly and poses significant risks if not addressed promptly.

Affected Version(s)

Leave 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-2026-103543 - Proof of Concept

References

https://vuldb.com/vuln/412353
vdb-entrytechnical-description
https://vuldb.com/vuln/412353/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-103543
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

Ethan.KY.WONG (VulDB User)
.