Vulnerability · Published Jan 26, 2026 · Assigned by twcert
CVE-2026-1427WellChoose｜Single Sign-On Portal System - OS Command Injection
High 8.8
In plain English
A high-severity OS command injection in Single Sign-On Portal System from WellChoose. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 27.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Single Sign-On Portal System developed by WellChoose has a OS Command Injection vulnerability, allowing authenticated remote attackers to inject arbitrary OS commands and execute them on the server.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WellChoose | Single Sign-On Portal System | 0 – before IFTOP_P4_181 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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