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VulnerabilityPublished Updated

CVE-2026-40551: BinSoft mpGabinet · Use of Client-Side Authentication

Affects BinSoft mpGabinetSource CVE Database V5

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Not known to be exploited · CVSS 8.4 High.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
BinSoftmpGabinetAffected
  • <=23.12.19
Fixed in–
BinSoftmpFirmaAffected
  • <=26.4.9
Fixed in–
BinSoftmpFakturaAffected
  • <=26.4.9
Fixed in–
BinSoftmpFirma ERPAffected
  • <=26.4.9
Fixed in–
BinSoftmpSekretariatAffected
  • <=25.2.4
Fixed in–
BinSoftmpPOSAffected
  • <=25.2.4
Fixed in–

AI-suggested

Users should monitor the vendor's advisory for updates. Until a fix is released, restrict access to application instances and backend servers to trusted personnel only to reduce the risk of exploitation.

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.

References

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