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CVE-2026-111902— phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass via Comments and Attachments 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.

phpMyFAQ 4.2.0-alpha 至 4.2.0-beta（不含）版本中， 函数存在授权绕过漏洞：该函数将缺失的 FAQ 翻译视为对未认证用户可见。攻击者可通过向评论和附件 API 端点发送不匹配的 请求头，从而读取未发布或受访问控制列表（ACL）限制的 FAQ 的评论及附件列表。

CVSS 5.3 · Medium EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1551.005

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-2026-111902

Vulnerability Information
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Vulnerability Title
phpMyFAQ 4.2.0-alpha before 4.2.0-beta Authorization Bypass via Comments and Attachments API
Source: CVE Program / CVE List V5
Vulnerability Description
phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability in isFaqAccessibleForUser() that treats a missing FAQ translation as visible to unauthenticated users. Attackers can send a mismatched Accept-Language header to the comments and attachments API endpoints to read comments and attachment listings of unpublished or ACL-restricted FAQs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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

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

II. Public POCs for CVE-2026-111902

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III. Intelligence Information for CVE-2026-111902

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Vendor Advisories for CVE-2026-111902 (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-2026-111905 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

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

IV. Related Vulnerabilities

Same product: phpMyFAQ
Same vendor: thorsten
Same weakness: CWE-639

V. Comments for CVE-2026-111902

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