CVE-2026-21446CWE-306

Bagisto Missing Authentication on Installer API Endpoints

High · published January 2, 2026

CVSS v4.0
8.8
EPSS
1%
Percentile
49.7
In the wild
Unconfirmed
What it is

⚡ An unauthenticated API route is still live after setup! This means anyone can access sensitive endpoints and take control of your Bagisto installation like it’s an open invitation to a party nobody’s checking at the door. 🎉 Think of it like a hotel that forgot to change the access code after the last guests checked out. Anyone could waltz into the lobby and wander around, making themselves at home without being stopped! This vulnerability allows any malicious actor to bypass the installation process entirely, creating admin accounts, changing configurations, and even overwriting existing data. It's a serious risk that could lead to complete takeovers of your eCommerce site, jeopardizing customer data and trust — absolutely devastating!

Put simply

Think of it like a hotel that forgot to change the access code after the last guests checked out. Anyone could waltz into the lobby and wander around, making themselves at home without being stopped! The flaw resides in the Bagisto eCommerce platform versions prior to 2.3.10, where API routes remain accessible without authentication, enabling attackers to exploit these endpoints directly, even after the initial installation is completed.

What to do

This vulnerability allows any malicious actor to bypass the installation process entirely, creating admin accounts, changing configurations, and even overwriting existing data. It's a serious risk that could lead to complete takeovers of your eCommerce site, jeopardizing customer data and trust — absolutely devastating! Immediately upgrade your Bagisto installation to version 2.3.10 or later to close off these vulnerable API routes. Additionally, review your application settings and limit access to sensitive endpoints during and after installation. Don’t leave the door wide open! You’ve got this! Patch it up, and you’ll be bolstering your defenses in no time. 🛡️

The record
Technical detail
CVSS v4.0
8.8 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00634 · 49.7th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-01-02T19:18Z
EPSS history
Timeline
  • 02 JAN 19:18Z
    Bagisto Missing Authentication on Installer API Endpoints
    cvelistv5