A vulnerability was detected in Yonyou KSOA 9.0. This vulnerability allows SQL injection through manipulation of the argument ID in the file /worksheet/worksadd.jsp of the component HTTP GET Parameter Handler. The attack may be performed from remote, and the exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
The severity of this vulnerability is classified as medium with a CVSS score of 5.5. Organizations should address this vulnerability to mitigate potential risks, as SQL injection can lead to unauthorized database access and data manipulation.
As the exploit is now public, organizations using Yonyou KSOA 9.0 should prioritize remediation activities, especially those that have not yet applied security updates. The risk to organizations includes potential data breaches and compromised application integrity.
Urgency for defenders is moderate. Organizations should schedule remediation as soon as possible, particularly in environments where sensitive data is processed.
Vulnerability Details
The vulnerability can be categorized under CWE-89 (SQL Injection) and CWE-74 (Injection). It affects the Yonyou KSOA version 9.0. The publication date for this vulnerability is January 19, 2026, and it has been analyzed thoroughly.
Technical Analysis
The root cause of this vulnerability stems from inadequate input validation concerning the HTTP GET parameters. The attack vector is network-based, and the attack complexity is low, requiring no special privileges or user interaction. The vulnerability has low impacts on confidentiality, integrity, and availability.
Risk & Impact Analysis
Real-world deployment risk includes potential unauthorized access to sensitive information and manipulation of database records. With exploitation now public, the urgency for organizations to patch this vulnerability is heightened. Organizations should assess the blast radius, as the vulnerability could affect multiple applications leveraging Yonyou KSOA.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version of the product is Yonyou KSOA 9.0. Organizations using this version should apply necessary updates or patches immediately.
Mitigation & Remediation
Organizations should prioritize patching immediately. For environments unable to apply the patch, consider implementing input validation mechanisms and monitoring for unusual database queries. Regular security assessments can help identify and remediate such vulnerabilities.
Detection Guidance
Monitor application logs for unusual patterns that may indicate SQL injection attempts. Review database query logs for unexpected data manipulation that could suggest exploitation of the vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability lies in its potential to compromise sensitive data and application integrity. Security teams should note the trends in SQL injection attacks and ensure their defensive measures are robust. Regular updates to security policies and practices are critical in adapting to evolving threats.
Penetration testing methodology should be included in regular security assessments to proactively identify vulnerabilities.
Organizations should also enhance their security posture by adopting best practices in application security assessment and regularly reviewing their incident response strategies.
Lastly, organizations should take advantage of vulnerability management programs to systematically address security vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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