CVE-2026-40551

Name: CVE-2026-40551
Creator: NVD / NIST
Published: 2026-04-28T14:16:13.51+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.4/10EPSS 0.13%

Last modified Jun 17, 2026

CVE-2026-40551 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. 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. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 4.0

8.4/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.13%

3.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-603

References

Timeline

Published: Apr 28, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-40551?

How severe is CVE-2026-40551?

CVE-2026-40551 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.

How do I fix CVE-2026-40551?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-40551?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST