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CVE-2026-54364— CentreStack < 17.4 Session Injection via SelectProvider.aspx

Quick assessment

Affected
Gladinet CentreStack
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Gladinet centrestack是美国Gladinet公司的一个文件同步与协作平台。 Gladinet CentreStack 17.4之前版本存在输出处理不当漏洞，该漏洞源于会话变量注入问题，由于自定义会话序列化格式缺乏输入清理，允许未经身份验证的攻击者通过在AccountName参数中嵌入换行和制表符来注入任意会话变量，从而绕过IsValidRSession身份验证检查并获取管理页面的未授权访问。

CVSS 6.5 · Medium EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
Gladinet CentreStack < 17.4 affected
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I. Basic Information for CVE-2026-54364

Vulnerability Information
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Vulnerability Title
CentreStack < 17.4 Session Injection via SelectProvider.aspx
Source: CVE Program / CVE List V5
Vulnerability Description
CentreStack before 17.4 contains a session variable injection vulnerability that allows unauthenticated attackers to inject arbitrary session variables by embedding newline and tab characters into a crafted AccountName parameter posted to the SelectProvider.aspx endpoint. Attackers can exploit the lack of input sanitization in the custom session serialization format to inject a resellerid session variable, bypassing the IsValidRSession authentication check and gaining unauthorized access to management pages.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对输出编码和转义不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Gladinet CentreStack 输出处理不当漏洞
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 17.4之前版本存在输出处理不当漏洞，该漏洞源于会话变量注入问题，由于自定义会话序列化格式缺乏输入清理，允许未经身份验证的攻击者通过在AccountName参数中嵌入换行和制表符来注入任意会话变量，从而绕过IsValidRSession身份验证检查并获取管理页面的未授权访问。
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

Vendor Product Affected Versions CPE Subscribe
Gladinet CentreStack 0 ~ 17.4 -

II. Public POCs for CVE-2026-54364

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III. Intelligence Information for CVE-2026-54364

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Vendor Advisories for CVE-2026-54364 (1)

Vendor Pages for CVE-2026-54364 (1)

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

CVE-2026-54363 9.1 CRITICAL CentreStack < 17.5 Hardcoded Key Token Forgery RCE
CVE-2026-54368 8.8 HIGH CentreStack < 17.4 SQL Injection via x-glad-filter Header
CVE-2026-54367 8.6 HIGH CentreStack < 17.2 Unauthenticated API Authorization Bypass
CVE-2026-54366 7.5 HIGH CentreStack < 17.4 XXE via SharePoint Storage Configuration
CVE-2026-54365 7.5 HIGH CentreStack < 17.3 Unauthenticated User Creation via Deserialization in GSNamespace.dll

IV. Related Vulnerabilities

Same product: CentreStack
Same vendor: Gladinet
Same weakness: CWE-116

V. Comments for CVE-2026-54364

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