BinSoft mpGabinet up to 23.12.19 client-side authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in BinSoft mpGabinet up to 23.12.19. Affected by this issue is some unknown functionality. The manipulation results in use of client-side authentication. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is identified as CVE-2026-40551. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in BinSoft mpGabinet up to 23.12.19. Affected is an unknown functionality. The manipulation with an unknown input leads to a use of client-side authentication vulnerability. CWE is classifying the issue as CWE-603. A client/server product performs authentication within client code but not in server code, allowing server-side authentication to be bypassed via a modified client that omits the authentication check. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released by Robert Kruczek and Kamil Szczurowski. The advisory is shared for download at cert.pl. This vulnerability is traded as CVE-2026-40551 since 04/14/2026. The exploitability is told to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use of client-side authentication
CWE: CWE-603 / CWE-602
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/14/2026 CVE reserved
04/28/2026 +14 days Advisory disclosed
04/28/2026 +0 days VulDB entry created
04/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: cert.pl
Researcher: Robert Kruczek, Kamil Szczurowski
Status: Not defined

CVE: CVE-2026-40551 (🔒)
GCVE (CVE): GCVE-0-2026-40551
GCVE (VulDB): GCVE-100-359976

Entryinfo

Created: 04/28/2026 16:35
Changes: 04/28/2026 16:35 (65)
Complete: 🔍
Cache ID: 216::103

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