Missing Authorization Vulnerability in yshop-crm by Yixiang
CVE-2026-92457

7.1HIGH

Key Information:

Vendor

Guchengwuyue

Status
Yshop-crm
Vendor
CVE Published:
16 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-92457?

A security issue in the yshop-crm platform allows authenticated back-office users to manipulate invoice issuance through the CrmInvoiceController's issueInvoice endpoint. This vulnerability permits users lacking the necessary permissions to issue invoices, modify contract values, and send invoice emails to any address, creating potential for financial fraud and compromise of sensitive user data.

Affected Version(s)

yshop-crm 0 <= 2.1.3

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-2026-92457 - Proof of Concept

References

https://github.com/LinYuanyi1/cve-request-poc/blob/master...
exploit
https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1...
technical-description
https://github.com/guchengwuyue/yshop-crm/blob/5f5810a0e1...
technical-description

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
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

Mingsheng Lin (lincoke)
.