Improper Authentication Vulnerability in iWebShop-5 by aircheng-org
CVE-2026-86669

6.9MEDIUM

Key Information:

Vendor

Aircheng-org

Status
Iwebshop-5
Vendor
CVE Published:
8 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86669?

A vulnerability has been identified in iWebShop-5 up to version 5.15, specifically affecting the Login function in the controllers/systemseller.php file. An attacker can manipulate the 'Name' argument to bypass authentication, allowing unauthorized access. This flaw can be exploited remotely, posing a significant security risk. Although the development team was made aware of the issue through an early report, no action has been taken to address it. The exploit has been made public, increasing the urgency for affected users to secure their systems.

Affected Version(s)

iWebShop-5 5.0

iWebShop-5 5.1

iWebShop-5 5.2

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-2026-86669 - Proof of Concept

References

https://vuldb.com/vuln/399760
vdb-entrytechnical-description
https://vuldb.com/vuln/399760/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86669
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

iron basin (VulDB User)
VulDB CNA Team
.