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CVE-2026-75919— phpMyFAQ before 4.1.7 Authentication Bypass via Setup API

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.

Thorsten Rinne phpMyFAQ是Thorsten Rinne个人开发者的一款常见问题解答管理系统。 Thorsten Rinne phpMyFAQ 4.1.7之前版本存在授权问题漏洞，该漏洞源于SetupController存在身份验证绕过漏洞，可能导致未认证攻击者在维护模式启用时运行数据库迁移、创建配置备份、禁用维护模式以及从生成的ZIP存档中提取数据库凭据。

CVSS 5.3 · Medium EPSS 0.40% · P33

Affected Version Matrix 2

VendorProduct Version RangeStatus
thorsten phpMyFAQ < 4.1.7 affected
4.1.7 unaffected
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I. Basic Information for CVE-2026-75919

Vulnerability Information
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Vulnerability Title
phpMyFAQ before 4.1.7 Authentication Bypass via Setup API
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ before 4.1.7 contains an authentication bypass vulnerability in SetupController that allows unauthenticated attackers to run database migrations and create configuration backups when maintenance mode is enabled. Attackers can call POST /api/setup/update-database and POST /api/setup/backup endpoints to execute database updates, disable maintenance mode, and extract database credentials from generated ZIP archives.
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:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Thorsten Rinne phpMyFAQ 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Thorsten Rinne phpMyFAQ是Thorsten Rinne个人开发者的一款常见问题解答管理系统。 Thorsten Rinne phpMyFAQ 4.1.7之前版本存在授权问题漏洞，该漏洞源于SetupController存在身份验证绕过漏洞，可能导致未认证攻击者在维护模式启用时运行数据库迁移、创建配置备份、禁用维护模式以及从生成的ZIP存档中提取数据库凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
thorsten phpMyFAQ 0 ~ 4.1.7 -

II. Public POCs for CVE-2026-75919

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III. Intelligence Information for CVE-2026-75919

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Vendor Advisories for CVE-2026-75919 (2)

Same Patch Batch · thorsten · 2026-08-19 · 14 CVEs total

CVE-2026-75918 8.8 HIGH phpMyFAQ before 4.1.7 Authentication Bypass via Tracking File
CVE-2026-76208 8.2 HIGH phpMyFAQ 3.1.0 through 4.1.6 Authentication Bypass via LDAP
CVE-2026-76205 8.1 HIGH phpMyFAQ before 4.1.7 SQL Injection via Glossary
CVE-2026-76207 8.1 HIGH phpMyFAQ before 4.1.7 2FA Bypass via Remember-Me Cookie
CVE-2026-76213 7.4 HIGH phpMyFAQ before 4.1.7 2FA Brute-Force via Session-Scoped Throttle
CVE-2026-76214 7.4 HIGH phpMyFAQ before 4.1.7 WebAuthn Replay Attack via Challenge
CVE-2026-76210 6.5 MEDIUM phpMyFAQ before v4.1.6 Local File Disclosure via PDF Export
CVE-2026-75920 5.3 MEDIUM phpMyFAQ before 4.1.6 Information Disclosure via Backup ZIP
CVE-2026-76206 5.3 MEDIUM phpMyFAQ before 4.1.7 Information Disclosure via PDF Export
CVE-2026-76215 5.3 MEDIUM phpMyFAQ before 4.1.7 Missing Authorization via child resources
CVE-2026-76212 5.3 MEDIUM phpMyFAQ before 4.1.7 LIKE Wildcard Injection via PostgreSQL
CVE-2026-76209 4.3 MEDIUM phpMyFAQ before v4.1.6 Registration Bypass via API
CVE-2026-76211 4.3 MEDIUM phpMyFAQ before 4.1.7 Information Disclosure via Admin API

IV. Related Vulnerabilities

Same product: phpMyFAQ
Same vendor: thorsten
Same weakness: CWE-306

V. Comments for CVE-2026-75919

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