PT-2026-66465 · Gladinet · Centrestack

CVE-2026-54364 · Published 2026-07-30 · Updated 2026-07-30

Mitre

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

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.

Fix

Improper Encoding or Escaping of Output

Weakness Enumeration

CWE-116

Related Identifiers

CVE-2026-54364

Affected Products

Centrestack

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-54364 · Security Note
• https://centrestack.com · Note
• https://vulncheck.com/advisories/centrestack-session-injection-via-selectprovider-aspx · Note