CVE-2026-54367 CentreStack < 17.2 Unauthenticated API Authorization Bypass
Unauthenticated attackers can bypass authorization to read, write, or delete arbitrary account settings and enumerate tenant domains via exposed API endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-54367?
CVE-2026-54367 is a high-severity authentication bypass vulnerability in Gladinet CentreStack, published on 30 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CentreStack before 17.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to read, write, or delete arbitrary account settings by exploiting exposed API endpoints that lack authorization checks. Attackers can generate valid encrypted EntAcctId values using the static shared encryption key to forge identifiers for any user GUID, including the system-wide cluster settings account, enabling enumeration of hosted tenant domains and administrator identities.
Weakness: CWE-306
Which versions are affected by CVE-2026-54367?
How do I fix CVE-2026-54367?
No fix has been published for CVE-2026-54367 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-54367 being exploited?
There is no known exploitation of CVE-2026-54367 in the wild and no public exploit code.
Sources
Also known as GHSA-hq66-5q6c-849x.