SQL Injection Vulnerability in DefaultFuction CRM
CVE-2026-86171

5.3MEDIUM

Key Information:

Vendor

Defaultfuction

Status
Crm
Vendor
CVE Published:
6 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86171?

A security vulnerability has been identified within DefaultFuction CRM 1.0.0, specifically affecting the /modules/orders/delete.php file. This vulnerability allows an attacker to manipulate the ID argument, leading to SQL injection attacks from remote locations. The exploit has been publicly disclosed, making systems using this version vulnerable to unauthorized access and potential data compromise. It is crucial for users to review their security measures and apply necessary patches or updates to mitigate this risk.

Affected Version(s)

CRM 1.0.0

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-2026-86171 - Proof of Concept

References

https://vuldb.com/vuln/399309
vdb-entrytechnical-description
https://vuldb.com/vuln/399309/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86171
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

Zhangao (VulDB User)
.