SQL Injection Vulnerability in Yonyou U8cloud OpenAPI Component
CVE-2026-94492

5.3MEDIUM

Key Information:

Vendor

Yonyou

Status
U8cloud
Vendor
CVE Published:
22 September 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-94492?

A security vulnerability has been uncovered within the Yonyou U8cloud 5.x software, specifically in the OpenAPI component located at /u8cloud/openapi/so.saleorder.sendaudit. This vulnerability enables attackers to manipulate the 'operator' argument, leading to potential SQL injection attacks. Such an attack can be initiated remotely, posing a significant risk to the integrity of the database. Despite early notifications to the vendor regarding this issue, there has been no response. It is crucial for users to be aware of this vulnerability and implement necessary security measures to protect their systems.

Affected Version(s)

U8cloud 5.*

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-2026-94492 - Proof of Concept

References

https://vuldb.com/vuln/408192
vdb-entrytechnical-description
https://vuldb.com/vuln/408192/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94492
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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

mjh_123 (VulDB User)
VulDB CNA Team
.