CVE-2026-1427: WellChoose｜Single Sign-On Portal System - OS Command Injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-26 · updated 2026-06-17
Weakness: CWE-78

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

WellChoose Single Sign-On Portal System: before iftop_p4_181 — fixed in iftop_p4_181

How to fix

Upgrade to a fixed version: WellChoose Single Sign-On Portal System iftop_p4_181. Check the vendor advisory for mitigations.

References

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

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