CVE-2026-56396: phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights()

Published Jun 21, 2026
·
Updated

phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edituser permission can set issuperadmin flag or grant arbitrary rights to escalate to SuperAdmin access.

Affected Software

1 affected component
PhpMyFaq phpmyfaq<4.1.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade phpMyFAQ to a version that resolves this vulnerability.

    Fixed in 4.1.4

Event History

Jun 21, 2026
CVE Published
via MITRE·01:27 PM
Data Sourced
via MITRE·01:27 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-56396?

The severity of CVE-2026-56396 is high with a score of 8.8.

2

How do I fix CVE-2026-56396?

To fix CVE-2026-56396, upgrade phpMyFAQ to version 4.1.4 or later.

3

What impact does CVE-2026-56396 have on users?

CVE-2026-56396 allows authenticated non-SuperAdmin users to escalate their privileges by modifying user rights.

4

Which software is affected by CVE-2026-56396?

The vulnerability affects phpMyFAQ versions prior to 4.1.4.

5

What are the attack vectors for CVE-2026-56396?

The attack vector for CVE-2026-56396 is through the editUser() and updateUserRights() endpoints.

Company

Resources

Contact

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CVE-2026-56396 - phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights() - SecAlerts