Improper Access Control in SourceCodester Indian Invoicing System by SourceCodester
CVE-2026-9412

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Indian Invoicing System
Vendor
CVE Published:
25 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-9412?

The SourceCodester Indian Invoicing System version 1.0 contains a vulnerability within its Backend Endpoint component that allows unauthenticated remote attackers to manipulate access controls improperly. This flaw, affecting multiple endpoints, can lead to unauthorized data exposure and potential exploitation in the wild. Public disclosures of the exploit have raised concerns, highlighting the urgent need for remediation to safeguard sensitive information.

Affected Version(s)

Indian Invoicing 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-2026-9412 - Proof of Concept

References

https://vuldb.com/vuln/365393
vdb-entry
https://vuldb.com/vuln/365393/cti
signaturepermissions-required
https://vuldb.com/submit/813608
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

c4ttr4ck (VulDB User)
.