CVE-2026-111910
Deferred Deferred - Pending Action

Authorization Bypass in phpMyFAQ via Attachment Download

Publication date: 2026-10-17

Last updated on: 2026-10-17

Assigner: VulnCheck

Description
phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains an authorization bypass vulnerability in attachment.php that allows attackers to download attachments of restricted FAQs by bypassing per-record permission checks. Low-privileged users with the dlattachment right, or anonymous users when allowDownloadsForGuests is enabled, can request attachment IDs to retrieve confidential files from restricted FAQs.

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Meta Information

Published
2026-10-17
Last Modified
2026-10-17
Generated
2026-10-17
AI Q&A
2026-10-17
EPSS Evaluated
N/A
NVD
CVE-2026-111910
EUVD
EUVD-2026-103310

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
thorsten phpMyFAQ 0
thorsten phpMyFAQ 4.2.0-alpha

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This is an authorization bypass vulnerability in phpMyFAQ versions before 4.1.9 and 4.2.0-alpha before 4.2.0-beta. It allows low-privileged users with the 'dlattachment' right or anonymous users (when guest downloads are enabled) to download attachments from restricted FAQs by bypassing permission checks in attachment.php.

Detection Guidance

Check phpMyFAQ logs for unauthorized attachment downloads. Inspect network traffic for requests to attachment.php with suspicious parameters like direct attachment ID access. Review user permissions for the 'dlattachment' right and guest download settings.

Impact Analysis

Attackers could access confidential files from restricted FAQs without proper authorization. This could lead to unauthorized disclosure of sensitive information stored in attachments, potentially affecting confidentiality of data managed by phpMyFAQ.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR (data protection) and HIPAA (health information privacy). Unauthorized disclosure of restricted information could result in regulatory penalties and loss of trust.

Mitigation Strategies

Upgrade phpMyFAQ to version 4.1.9 or later. Disable guest downloads by setting allowDownloadsForGuests to false. Remove the 'dlattachment' right from low-privileged users until patched. Monitor for unauthorized access attempts in logs.

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