Is CVE-2026-56396 actively exploited?

No active exploitation of CVE-2026-56396 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-56396 be exploited remotely?

Yes. CVE-2026-56396 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-56396?

CVE-2026-56396 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-56396

HIGH

CVE-2026-56396

CWE-862Published: June 21, 2026· Updated: Jun 23, 2026

8.8

CVSS v3.1

EPSS:0.25%probability of exploitation in 30 daysPercentile:16.2th

Official Description

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 edit_user permission can set is_superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.

NVD Source

Technical Analysis

CVE-2026-56396 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.