CVE-2026-29811 Missing authorization in CyberPanel

High 7.7 Published Updated

CyberPanel fails to properly validate alias domains due to flawed ORM filtering, allowing attackers to bypass intended access controls.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-29811?

CVE-2026-29811 is a high-severity missing authorization vulnerability in CyberPanel, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

CyberPanel before 2.4.4 attempts to detect an "alais" domain (i.e., a second domain that serves the same content as a primary domain; normally spelled "alias") via an ORM query filter rather than a Python "if" statement.

Weakness: CWE-1025

Which versions are affected by CVE-2026-29811?

How do I fix CVE-2026-29811?

No fix has been published for CVE-2026-29811 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-29811 being exploited?

There is no known exploitation of CVE-2026-29811 in the wild and no public exploit code.

Sources

Also known as GHSA-2m73-7wxp-874w.

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