Privilege escalation in Mobile Builder

CVE-2026-103694

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.

Vulnerability class: Privilege Escalation

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

  • Mobile Builder

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-103694?
CVE-2026-103694 is a high-severity vulnerability in Mobile Builder, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-10-11.
How severe is CVE-2026-103694?
High severity. CVSS v3 base score is 8.8 out of 10.