What is CVE-2026-1428?

CVE-2026-1428 is a high-severity vulnerability in Wellchoose Single Sign-On Portal System, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-01-26.

How severe is CVE-2026-1428?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Wellchoose Single Sign-On Portal System

CVE-2026-1428

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.013 (66.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wellchoose Single Sign-on Portal System — versions 0
Wellchoose Single_sign-on_portal_system

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

twcert@cert.org.tw (Third Party Advisory, third-party-advisory)
twcert@cert.org.tw (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-1428?: CVE-2026-1428 is a high-severity vulnerability in Wellchoose Single Sign-On Portal System, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-01-26.
How severe is CVE-2026-1428?: High severity. CVSS v3 base score is 8.8 out of 10.