Auth bypass in Gladinet Centrestack

CVE-2026-54365

CentreStack before 17.3 contains an unauthenticated deserialization vulnerability in GSNamespace.dll that allows unauthenticated attackers to create arbitrary local OS user accounts by supplying a crafted base64-encoded XML string to expos…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-54365?
CVE-2026-54365 is a high-severity vulnerability in Gladinet Centrestack, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-07-30.
How severe is CVE-2026-54365?
High severity. CVSS v3 base score is 7.5 out of 10.