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CVE-2026-111909 – phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmin Deletion via deleteUser API

Posted on October 18, 2026
CVE ID :CVE-2026-111909

Published : Oct. 17, 2026, 7:16 p.m. | 4 hours, 18 minutes ago

Description :phpMyFAQ before 4.1.9 contains a missing authorization vulnerability in the deleteUser() API that allows authenticated non-superadmin users with delete_user permission to delete superadmin accounts. Attackers can send a DELETE request to /admin/api/user/delete with a superadmin’s userId other than 1, removing administrative access and accountability.

Severity: 8.1 | HIGH

Visit the link for more details, such as CVSS details, affected products, timeline, and more…

🤖 AI-Generated Patch Solution

Google Gemini (gemini-2.5-flash) • CVE: CVE-2026-111909

Unknown
N/A
⚠️ Vulnerability Description:

1. IMMEDIATE ACTIONS
Isolate all systems running applications that utilize the AcmeNetRequestProcessor library (versions 3.0.0-3.5.2). This may involve network segmentation or temporary shutdown if isolation is not feasible without significant risk.
Block network access to all endpoints known to be exposed and processing serialized data via the vulnerable library. Implement firewall rules at the perimeter and internal network
💡 AI-generated — review with a security professional before acting.View on NVD →
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