SQL Injection Vulnerability in Yonyou KSOA 9.0 HTTP GET Parameter Handler
CVE-2026-1123

6.9MEDIUM

Key Information:

Vendor

Yonyou

Status
Ksoa
Vendor
CVE Published:
18 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1123?

A security flaw exists in Yonyou KSOA 9.0's HTTP GET Parameter Handler, specifically in the '/worksheet/work_mod.jsp' file. This vulnerability allows attackers to manipulate the 'ID' parameter, leading to SQL injection. This exploit can be executed remotely, posing significant risks to the security of the affected systems. Tools and methods for exploiting this vulnerability are publicly accessible, raising concerns for users relying on this application. Despite notifications sent to Yonyou regarding this issue, there has been no response from the vendor.

Affected Version(s)

KSOA 9.0

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-2026-1123 - Proof of Concept

References

https://vuldb.com/?id.341715
vdb-entrytechnical-description
https://vuldb.com/?ctiid.341715
signaturepermissions-required
https://vuldb.com/?submit.734550
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

LX-66-LX (VulDB User)
JSON
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