Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-111882— phpMyFAQ 3.2.0-alpha before 4.1.9 and 4.2.0-alpha before 4.2.0-beta TOTP 2FA Bypass via SSO Callbacks

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-alpha 至 4.1.9 之前的版本，以及 4.2.0-alpha 至 4.2.0-beta 之前的版本，存在一个身份验证绕过漏洞。该漏洞允许已通过身份提供商（IdP）认证的用户，在通过 Keycloak 或 Entra ID 的单点登录（SSO）回调时，跳过基于 TOTP 的双因素认证（2FA）。攻击者若持有与启用了 2FA 的账户关联的有效或被钓鱼的 IdP 身份，即可完成 OIDC 认证流程，从而获得完全认证后的会话，其中包括管理员账户。

CVSS 8.1 · High EPSS 0.39% · P31

Affected Version Matrix 4

VendorProduct Version RangeStatus
thorsten phpMyFAQ 3.2.0-alpha< 4.1.9 affected
4.1.9 unaffected
4.2.0-alpha< 4.2.0-beta affected
4.2.0-beta unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-111882

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
phpMyFAQ 3.2.0-alpha before 4.1.9 and 4.2.0-alpha before 4.2.0-beta TOTP 2FA Bypass via SSO Callbacks
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ 3.2.0-alpha before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an authentication bypass vulnerability that allows IdP-authenticated users to skip TOTP two-factor authentication through the Keycloak and Entra ID SSO callbacks. Attackers holding a valid or phished IdP identity linked to a 2FA-enabled account can complete the OIDC flow and obtain a fully authenticated session, including administrator accounts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
thorsten phpMyFAQ 3.2.0-alpha ~ 4.1.9 -
thorsten phpMyFAQ 4.2.0-alpha ~ 4.2.0-beta -

II. Public POCs for CVE-2026-111882

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-111882

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-111882 (3)

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-2026-111884 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-2026-111908 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-2026-111909 8.1 HIGH phpMyFAQ before 4.1.9 Missing Authorization Allows Superadmin Deletion via deleteUser API
CVE-2026-111898 7.5 HIGH phpMyFAQ 4.2.0-alpha before 4.2.0-beta Account Takeover via Keycloak Implicit Account Link
CVE-2026-111901 7.5 HIGH phpMyFAQ 4.2.0-alpha before 4.2.0-beta Unauthenticated DoS via API Pagination
CVE-2026-111897 7.1 HIGH phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass in Attachment Administration E
CVE-2026-111907 7.1 HIGH phpMyFAQ 4.0.0 before 4.1.9 CSRF via /admin/api/update-database
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-2026-111893 6.5 MEDIUM phpMyFAQ 4.2.0-alpha before 4.2.0-beta Privilege Escalation via Group Category Restriction
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-2026-111906 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

Same product: phpMyFAQ
Same vendor: thorsten
Same weakness: CWE-287

V. Comments for CVE-2026-111882

No comments yet

Leave a comment