Auth bypass in Gladinet Centrestack
CVE-2026-54367
CentreStack before 17.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to read, write, or delete arbitrary account settings by exploiting exposed API endpoints that lack authorization checks. Attackers can generate valid encrypted EntAcctId values using the static shared encryption key to forge identifiers for any user GUID, including the system-wide cluster settings account, enabling enumeration of hosted tenant domains and administrator identities.
Vulnerability class: Broken Authentication
EPSS: 0.002 (8.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L.
Affected products
- Gladinet Centrestack — versions 0
Weakness classification (CWE)
References
- Product Homepage (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-54367?
- CVE-2026-54367 is a high-severity vulnerability in Gladinet Centrestack, classified under Missing Authentication for Critical Function. CVSS score: 8.6/10. Published 2026-07-30.
- How severe is CVE-2026-54367?
- High severity. CVSS v3 base score is 8.6 out of 10.