CRITICALVulnerability
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NVD CRITICAL: CVE-2026-54363 — CentreStack before 17.5 contains a hardcoded cryptographic key vulnerability tha...

·Source: NIST NVD

Updated:

Executive Summary

CentreStack before 17.5 contains a hardcoded cryptographic key vulnerability that allows unauthenticated attackers to forge arbitrary encrypted tokens by exploiting a static SysNumber value used as entropy for AccessTicket.Encrypt() and AccessTicket.Decrypt() across all installations. Attackers can use the hardcoded key to craft valid x-glad-auth headers and call privileged API endpoints such as a

Analysis

CentreStack before 17.5 contains a hardcoded cryptographic key vulnerability that allows unauthenticated attackers to forge arbitrary encrypted tokens by exploiting a static SysNumber value used as entropy for AccessTicket.Encrypt() and AccessTicket.Decrypt() across all installations. Attackers can use the hardcoded key to craft valid x-glad-auth headers and call privileged API endpoints such as acquiretenantbackuptoken to obtain a domain administrator IdentityTicket, enabling a complete unauthenticated remote code execution chain. CVSS Score: 9.1. Published: 2026-07-30T13:16:51.223.

Indicators of Compromise (1)

CVE (1)
CVE-2026-54363
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Jul 30, 2026. Verified by: NIST.

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