CVE-2026-111905— phpMyFAQ 3.2.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta IDOR Leaks TOTP Secret via /admin/api/user/data
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 3.2.0（4.1.9 之前版本）以及 4.2.0-alpha（4.2.0-beta 之前版本）存在不安全的直接对象引用漏洞。该漏洞位于 接口，该接口在未进行超级管理员权限或受保护目标检查的情况下，会返回任意用户的完整 数据行，其中包括当前有效的 TOTP 密钥。拥有用户管理权限的委派管理员可借此读取超级管理员的 TOTP 密钥，并生成有效的验证码，从而绕过双因素身份验证。
Possible ATT&CK Techniques 3 AI
T1078 · Valid Accounts T1110 · Brute Force T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-111905
Vulnerability Information
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Vulnerability Title
phpMyFAQ 3.2.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta IDOR Leaks TOTP Secret via /admin/api/user/data
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ 3.2.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an insecure direct object reference vulnerability in GET /admin/api/user/data/{userId}, which returns any user's full faquserdata row, including the live TOTP secret, without a SuperAdmin or protected-target check. Delegated administrators with user-management rights can read a SuperAdmin's TOTP secret and generate valid codes to bypass two-factor authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-111905
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-111905 (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-2026-111901 | 7.5 HIGH | phpMyFAQ 4.2.0-alpha before 4.2.0-beta Unauthenticated DoS via API Pagination |
| 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-2026-111891 | 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 → →
IV. Related Vulnerabilities
Same product: phpMyFAQ
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CVE-2026-111911
phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAut -
CVE-2026-111910
phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Auth -
CVE-2026-111909
phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmi -
CVE-2026-111908
phpMyFAQ 4.0.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-bet -
CVE-2026-111907
phpMyFAQ 4.0.0 before 4.1.9 CSRF via /admin/api/update-datab
Same vendor: thorsten
-
CVE-2026-111911
phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAut -
CVE-2026-111910
phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta Auth -
CVE-2026-111909
phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmi -
CVE-2026-111908
phpMyFAQ 4.0.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-bet -
CVE-2026-111907
phpMyFAQ 4.0.0 before 4.1.9 CSRF via /admin/api/update-datab
Same weakness: CWE-639
-
CVE-2026-111912
Admidio 5.0.0 before 5.0.16 IDOR via Forum Topic Update -
CVE-2026-111908
phpMyFAQ 4.0.0 before 4.1.9 and 4.2.0-alpha before 4.2.0-bet -
CVE-2026-111902
phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass -
CVE-2026-92715
Tutor LMS <= 4.1.0 - Insecure Direct Object Reference to Aut -
CVE-2026-107762
Kirki <= 6.3.2 - Insecure Direct Object Reference to Unauthe
V. Comments for CVE-2026-111905
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