What is CVE-2026-54366?

CVE-2026-54366 is a high-severity vulnerability in Gladinet Centrestack, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2026-07-30.

How severe is CVE-2026-54366?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Gladinet Centrestack

CVE-2026-54366

CentreStack before 17.4 contains an XML external entity (XXE) injection vulnerability that allows unauthenticated attackers to exfiltrate arbitrary files by supplying a malicious URL to the SharePoint storage configuration handler. Attacke…

Vulnerability class: XXE (XML External Entity)

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:H/I:N/A:N.

Affected products

Gladinet Centrestack — versions 0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-54366?: CVE-2026-54366 is a high-severity vulnerability in Gladinet Centrestack, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2026-07-30.
How severe is CVE-2026-54366?: High severity. CVSS v3 base score is 7.5 out of 10.