SQL Injection Vulnerability in DefaultFunction CRM by DefaultFunction
CVE-2026-86170

5.3MEDIUM

Key Information:

Vendor

Defaultfuction

Status
Crm
Vendor
CVE Published:
6 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86170?

A vulnerability exists in DefaultFunction CRM version 1.0.0, specifically in the file /modules/orders/edit.php, where improper handling of the argument ID can lead to SQL injection attacks. This flaw allows attackers to manipulate database queries via crafted inputs. With the potential for remote exploitation, this vulnerability represents a significant risk, as the exploit has been publicly disclosed, making it accessible for malicious actors to carry out attacks against affected installations.

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-2026-86170 - Proof of Concept

References

https://vuldb.com/vuln/399308
vdb-entrytechnical-description
https://vuldb.com/vuln/399308/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86170
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)
.