CVE-2026-40551

Vulnerability 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.

Related Weaknesses (CWE)

CWE-603

References

https://cert.pl/posts/2026/04/CVE-2026-40550/
https://www.mpgabinet.pl/

FAQ

What is CVE-2026-40551?

CVE-2026-40551 is a documented vulnerability. 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 applica...

How severe is CVE-2026-40551?

CVSS scoring is not yet available for CVE-2026-40551. Check NVD for updates.

Is there a patch for CVE-2026-40551?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.