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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-54364

CentreStack < 17.4 Session Injection via SelectProvider.aspx

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Gladinet CentreStack

Default version status: affected

  • 0 to < 17.4affected

References