CVE-2026-117544
Received Received - Intake

IDOR Vulnerability in jDownloads Extension Allows Unauthorized File Access

Publication date: 2026-11-12

Last updated on: 2026-11-12

Assigner: Joomla! Project

Description
Joomla Extension - jdownloads.com - IDOR allowing restricted file downloads in jDownloads < 4.1.8 - The `other_file_id` parameter could reference another download’s file without fully enforcing the target download’s access restrictions. This allowed files to be delivered to users who were not authorised to access the target download.

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Meta Information

Published
2026-11-12
Last Modified
2026-11-12
Generated
2026-11-12
AI Q&A
2026-11-12
EPSS Evaluated
N/A
NVD
CVE-2026-117544
EUVD
EUVD-2026-124616

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
jdownloads jd_downloads to 4.1.8 (exc)
joomla jdownloads to 4.1.8 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-200 The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

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Executive Summary

This is an Insecure Direct Object Reference (IDOR) vulnerability in the jDownloads Joomla extension versions before 4.1.8. It allows unauthorized users to download restricted files by manipulating the other_file_id parameter to reference files they should not have access to.

Detection Guidance

To detect this vulnerability, check if your jDownloads extension version is below 4.1.8. Review server logs for unusual file download requests referencing other_file_id parameters that bypass access controls. No specific commands are provided in the context.

Impact Analysis

Attackers could exploit this to access sensitive files they are not authorized to view, potentially leading to data breaches, unauthorized data exposure, or compliance violations depending on the nature of the files.

Compliance Impact

This vulnerability could lead to unauthorized access to protected data, violating GDPR's data protection principles or HIPAA's security requirements for safeguarding protected health information.

Mitigation Strategies

Immediately update jDownloads to version 4.1.8 or later to patch the IDOR vulnerability. Review and restrict file access permissions to prevent unauthorized downloads. Monitor network traffic for suspicious download patterns.

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