CVE-2026-103694 Mobile builder <= 1.4.2 - Subscriber+ Privilege Escalation to Admin

High 8.8 Published Updated

A logged-in subscriber can escalate privileges to administrator by exploiting improper user meta key restrictions in the Mobile builder plugin.

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-2026-103694?

CVE-2026-103694 is a high-severity vulnerability in Unknown Mobile builder, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Mobile builder WordPress plugin through 1.4.2 does not properly restrict which user meta keys a logged-in user can update through one of its REST routes, allowing any user with a self-registered account, such as a customer, to grant themselves the administrator role.

Weakness: CWE-269

Which versions are affected by CVE-2026-103694?

How do I fix CVE-2026-103694?

No fix has been published for CVE-2026-103694 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-103694 being exploited?

There is no known exploitation of CVE-2026-103694 in the wild and no public exploit code.

Sources

Also known as GHSA-jm9q-87xx-cg6m.

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