CVE-2026-1428CWE-78

WellChoose|Single Sign-On Portal System - OS Command Injection

High · published January 26, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
71.9
In the wild
Unconfirmed
What it is

⚡ A crafty authenticated attacker can execute arbitrary commands on your server with a single misstep! 🚨 Think of it like a restaurant where a waiter can sneak in unapproved menu items without a chef's consent — once they're in the system, who knows what they'll serve up? An attacker exploiting this OS Command Injection vulnerability could run commands with the same privileges as the server, potentially gaining complete control. This means they could access sensitive data, alter server configurations, or even shut down services entirely. It's absolutely devastating!

Put simply

Think of it like a restaurant where a waiter can sneak in unapproved menu items without a chef's consent — once they're in the system, who knows what they'll serve up? This vulnerability allows authenticated users to inject malicious OS commands through the Single Sign-On Portal System developed by WellChoose, effectively bypassing security controls designed to protect the server from unauthorized actions.

What to do

An attacker exploiting this OS Command Injection vulnerability could run commands with the same privileges as the server, potentially gaining complete control. This means they could access sensitive data, alter server configurations, or even shut down services entirely. It's absolutely devastating! Immediately update the Single Sign-On Portal to the latest patched version provided by WellChoose. Implement input validation and sanitization on any user-supplied data to mitigate the risk of command injection. Conduct a security audit to identify any other potential vulnerabilities. You've got this! Follow these steps, and you'll keep your server safe and sound! 🛡️

The record
Technical detail
CVSS v4.0
8.7 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.01376 · 71.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-01-26T08:14Z
EPSS history
Timeline
  • 26 JAN 08:14Z
    WellChoose|Single Sign-On Portal System - OS Command Injection
    cvelistv5