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CVE-2026-111901— phpMyFAQ 4.2.0-alpha before 4.2.0-beta Unauthenticated DoS via API Pagination

Quick assessment

Affected
thorsten phpMyFAQ
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

phpMyFAQ 4.2.0-alpha 至 4.2.0-beta(不含)版本在未经身份验证的 FAQ 和搜索 API 端点中存在不受控制的资源消耗漏洞。攻击者可发送并发 GET 请求,强制系统将全部数据库记录加载并处理到 PHP 内存中,从而耗尽 CPU 和内存资源,导致服务器崩溃。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 2

VendorProduct Version RangeStatus
thorsten phpMyFAQ 4.2.0-alpha< 4.2.0-beta affected
4.2.0-beta unaffected
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I. Basic Information for CVE-2026-111901

Vulnerability Information

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Vulnerability Title
phpMyFAQ 4.2.0-alpha before 4.2.0-beta Unauthenticated DoS via API Pagination
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an uncontrolled resource consumption vulnerability in the unauthenticated faqs and search API endpoints. Attackers can send concurrent GET requests that load and process all database records into PHP memory, exhausting CPU and memory to crash the server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
thorsten phpMyFAQ 4.2.0-alpha ~ 4.2.0-beta -

II. Public POCs for CVE-2026-111901

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III. Intelligence Information for CVE-2026-111901

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Vendor Advisories for CVE-2026-111901 (2)

Same Patch Batch · thorsten · 2026-10-17 · 28 CVEs total

CVE-2026-111911 9.8 CRITICAL phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAuthn Credential Injection
CVE-2026-111908 8.3 HIGH phpMyFAQ 4.0.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta BOLA in FAQ Update via REST
CVE-2026-111884 8.3 HIGH phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Missing Current-Password Step-Up o
CVE-2026-111909 8.1 HIGH phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmin Deletion via deleteUser API
CVE-2026-111882 8.1 HIGH phpMyFAQ 3.2.0-alpha before 4.1.9 and 4.2.0-alpha before 4.2.0-beta TOTP 2FA Bypass via SS
CVE-2026-111898 7.5 HIGH phpMyFAQ 4.2.0-alpha before 4.2.0-beta Account Takeover via Keycloak Implicit Account Link
CVE-2026-111907 7.1 HIGH phpMyFAQ 4.0.0 before 4.1.9 CSRF via /admin/api/update-database
CVE-2026-111897 7.1 HIGH phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass in Attachment Administration E
CVE-2026-111895 6.8 MEDIUM phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta Account Takeover via Entra ID pref
CVE-2026-111910 6.5 MEDIUM phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Authorization Bypass via attachmen
CVE-2026-111886 6.5 MEDIUM phpMyFAQ 4.2.0-alpha.2 before 4.2.0-beta 2FA Brute-Force via remove-twofactor Endpoint
CVE-2026-111892 6.5 MEDIUM phpMyFAQ 4.2.0-alpha before 4.2.0-beta Missing Rate Limiting on Password-Reset Endpoints
CVE-2026-111893 6.5 MEDIUM phpMyFAQ 4.2.0-alpha before 4.2.0-beta Privilege Escalation via Group Category Restriction
CVE-2026-111906 6.5 MEDIUM phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta CSRF in Elasticsearch/OpenSearch A
CVE-2026-111905 6.0 MEDIUM phpMyFAQ 3.2.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta IDOR Leaks TOTP Secret via /
CVE-2026-111891 5.5 MEDIUM phpMyFAQ from 4.2.0-alpha.2 before 4.2.0-beta Privilege Escalation via Group Permissions A
CVE-2026-111890 5.5 MEDIUM phpMyFAQ 4.2.0-alpha.2 before 4.2.0-beta Privilege Escalation via updateUserRights
CVE-2026-111885 5.5 MEDIUM phpMyFAQ 4.2.0-alpha before 4.2.0-beta Missing Authorization via deleteGroup API
CVE-2026-111896 5.4 MEDIUM phpMyFAQ 4.2.0-alpha before 4.2.0-beta Stored XSS via SVG Upload Sanitizer Bypass
CVE-2026-111894 5.4 MEDIUM phpMyFAQ 3.2.1 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Stored XSS via iframe data:

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

V. Comments for CVE-2026-111901

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