OS Command Injection Flaw in WellChoose's Single Sign-On Portal System
CVE-2026-1427

8.7HIGH

Key Information:

Vendor

Wellchoose

Status
Single Sign-on Portal System
Vendor
CVE Published:
26 January 2026

What is CVE-2026-1427?

The Single Sign-On Portal System developed by WellChoose is vulnerable to OS Command Injection, which enables authenticated remote attackers to inject malicious commands. This vulnerability can lead to unauthorized execution of arbitrary OS commands on the affected server, posing significant security risks. Administrators should take immediate steps to mitigate this vulnerability by applying patches and reviewing application configurations. Ensuring robust access controls and monitoring can also help in minimizing potential exploitation of this vulnerability.

Affected Version(s)

Single Sign-On Portal System 0

References

https://www.twcert.org.tw/tw/cp-132-10654-23f40-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-10655-59160-2.html
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.