SQL Injection Vulnerability in CodeAstro Simple Online Leave Management System
CVE-2026-15559

5.3MEDIUM

Key Information:

Vendor

Codeastro

Status
Simple Online Leave Management System
Vendor
CVE Published:
13 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15559?

A vulnerability has been identified in the CodeAstro Simple Online Leave Management System version 1.0, specifically within the POST Handler component located in the /SimpleOnlineLeave/admin/accept.php file. By manipulating the 'appid' parameter, an attacker may execute SQL injection attacks remotely. This vulnerability exposes sensitive database information and allows unauthorized actions to be performed, posing a significant risk to the application's integrity. The exploit is publicly known, increasing the urgency for users to apply necessary security measures.

Affected Version(s)

Simple Online 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-2026-15559 - Proof of Concept

References

https://vuldb.com/vuln/377908
vdb-entrytechnical-description
https://vuldb.com/vuln/377908/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15559
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

cshwswwsshd99 (VulDB User)
.