Unrated severityNVD Advisory· Published Jul 30, 2026· Updated Jul 30, 2026
CentreStack < 17.5 Hardcoded Key Token Forgery RCE
CVE-2026-54363
Description
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.
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Affected products
1- Range: <17.5
Patches
Vulnerability mechanics
References
2- www.vulncheck.com/advisories/centrestack-hardcoded-key-token-forgery-rcemitrethird-party-advisory
- www.centrestack.commitreproduct
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