# CVE-2026-117544: jDownloads IDOR in other_file_id parameter allows unauthorized file access

Source: https://junglewise.ai/threats/cve-2026-117544-joomla-extension-jdownloads-com-idor-allowing-restricted-file  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-12. Updated: 2026-11-12  
License: CC BY 4.0 with a link back

CVE-2026-117544 · Severity: info · Published 2026-11-12

jDownloads is a file download manager extension for Joomla that controls access to restricted downloads based on user permissions. An authorization bypass flaw in the other_file_id parameter allows users to reference and download files from restricted downloads they are not authorized to access, bypassing access controls. This could expose sensitive files to unauthorized users.

Technologies: [jDownloads](https://junglewise.ai/threats/technologies/jdownloads). Vendors: [jDownloads](https://junglewise.ai/threats/vendors/jdownloads).

## Quick answers

**Is CVE-2026-117544 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-117544 being exploited in the wild.

**How severe is CVE-2026-117544?** Informational severity, published 12 November 2026.

**Which products and versions are affected?** jDownloads before 4.1.8.

**Is there a fix for CVE-2026-117544?** Yes: fixed in jDownloads 4.1.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-117544 attacked?** It is in a software library.

**Am I affected by CVE-2026-117544?** Check whether you run jDownloads at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in jDownloads 4.1.8

## Technical details

An Insecure Direct Object Reference (IDOR) vulnerability exists in the other_file_id parameter handling, where the application fails to fully enforce access restrictions on the target download being referenced. An attacker can manipulate this parameter to retrieve files from downloads they lack permission to access, circumventing authorization checks.

## Affected products

- jDownloads jDownloads before 4.1.8

## Timeline

- 2026-11-12: disclosed

## References

- [https://www.jdownloads.com/](https://www.jdownloads.com/)

## Related threats

- [jDownloads authenticated path traversal via update_file parameter](https://junglewise.ai/threats/cve-2026-117542-joomla-extension-jdownloads-com-authenticated-path-traversal-in)
- [Joomla jDownloads file upload RCE in thumbnail handling](https://junglewise.ai/threats/cve-2026-117551-joomla-extension-jdownloads-com-rce-through-file-upload-in)
- [Joomla jDownloads file publication bypass with manipulated submission parameters](https://junglewise.ai/threats/cve-2026-117550-joomla-extension-jdownloads-com-publishing-of-files-without)
- [Joomla jDownloads SSRF via external download URL](https://junglewise.ai/threats/cve-2026-117543-joomla-extension-jdownloads-com-ssrf-via-external-download-url)
- [jDownloads Joomla extension unauthenticated file upload in upload-handler.php](https://junglewise.ai/threats/cve-2026-61900-jdownloads-joomla-extension-unauthenticated-file-upload-in-upload)