CVE-2026-40551 HIGH

CVE-2026-40551: Use of Client-Side Authentication in mpGabinet

Vendor Binsoft
Product mpGabinet
Weakness CWE-603
Published April 28, 2026
Last update April 28, 2026

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

What the vulnerability does

01Description

mpGabinet performs client-side authentication. An attacker with access to any application instance connected to the backend server can bypass the login verification process by manipulating the application binary and authenticate as an arbitrary user. This issue affects mpGabinet version 23.12.19 and below.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
April 28, 2026 Record updated