Gladinet CentreStack up to 17.3 Session Serialization SelectProvider.aspx AccountName improper authorization

Summaryinfo

A vulnerability described as critical has been identified in Gladinet CentreStack up to 17.3. Affected by this vulnerability is an unknown functionality of the file SelectProvider.aspx of the component Session Serialization. Executing a manipulation of the argument AccountName can lead to improper authorization. This vulnerability is tracked as CVE-2026-54364. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Gladinet CentreStack up to 17.3. It has been declared as critical. This vulnerability affects an unknown code block of the file SelectProvider.aspx of the component Session Serialization. The manipulation of the argument AccountName with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at centrestack.com. This vulnerability was named CVE-2026-54364 since 06/12/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

By approaching the search of inurl:SelectProvider.aspx it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 17.4 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Gladinet

Name

• CentreStack

Version

• 17.0
• 17.1
• 17.2
• 17.3

CPE 2.3info

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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