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CVE-2026-54367— CentreStack < 17.2 Unauthenticated API Authorization Bypass

CVSS 8.6 · High EPSS 0.19% · P9

Affected Version Matrix 1

VendorProductVersion RangeStatus
GladinetCentreStack< 17.2affected
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I. Basic Information for CVE-2026-54367

Vulnerability Information
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Vulnerability Title
CentreStack < 17.2 Unauthenticated API Authorization Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Gladinet CentreStack 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gladinet centrestack是美国Gladinet公司的一个文件同步与协作平台。 Gladinet CentreStack 17.2之前版本存在授权问题漏洞，该漏洞源于API端点缺少授权检查，可能导致未经身份验证的攻击者读取、写入或删除任意账户设置，并枚举租户域和管理员身份。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
GladinetCentreStack 0 ~ 17.2 -

II. Public POCs for CVE-2026-54367

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III. Intelligence Information for CVE-2026-54367

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Vendor Advisories for CVE-2026-54367 (1)

Vendor Pages for CVE-2026-54367 (1)

Same Patch Batch · Gladinet · 2026-07-30 · 6 CVEs total

CVE-2026-543639.1 CRITICALCentreStack < 17.5 Hardcoded Key Token Forgery RCE
CVE-2026-543688.8 HIGHCentreStack < 17.4 SQL Injection via x-glad-filter Header
CVE-2026-543667.5 HIGHCentreStack < 17.4 XXE via SharePoint Storage Configuration
CVE-2026-543657.5 HIGHCentreStack < 17.3 Unauthenticated User Creation via Deserialization in GSNamespace.dll
CVE-2026-543646.5 MEDIUMCentreStack < 17.4 Session Injection via SelectProvider.aspx

IV. Related Vulnerabilities

Same product: CentreStack
Same vendor: Gladinet
Same weakness: CWE-306

V. Comments for CVE-2026-54367

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