CVE-2026-40551

Use of Client-Side Authentication in multiple BinSoft products

Published Apr 28, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
Multiple BinSoft products perform 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.

The described issue affects all published versions. The vendor stated that this issue is a direct result of the architecture model in which the software is distributed, and that it will be mitigated with a corrected installation manual.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description 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. Multiple BinSoft products perform 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. The described issue affects all published versions. The vendor stated that this issue is a direct result of the architecture model in which the software is distributed, and that it will be mitigated with a corrected installation manual.
Title Use of Client-Side Authentication in mpGabinet Use of Client-Side Authentication in multiple BinSoft products
References
Type Values Removed Values Added
First Time appeared Binsoft
Binsoft mpgabinet
Vendors & Products Binsoft
Binsoft mpgabinet
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Use of Client-Side Authentication in mpGabinet
Weaknesses CWE-603
References
Metrics cvssV4_0

{'score': 8.4, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERT-PL
Published
Updated
Sep 30, 2026, 11:18 AM
Reserved
Apr 14, 2026, 9:44 AM
Status
Deferred
Published
Apr 28, 2026, 2:16 PM
Modified
Oct 26, 2026, 9:10 PM