Joomla Extension - jdownloads.com - IDOR allowing restricted file downloads in jDownloads < 4.1.8

published 2026-11-12 2d ago modified 2026-11-13 2d ago also EUVD-2026-124616

cvss: 8.2; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

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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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2d ago (2026-11-12)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.2	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	4.0	8.2	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

jdownloads.com jDownloads extension for Joomla

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-639 Authorization Bypass Through User-Controlled Key

References

jdownloads.com /
product

Sources

CVE List CVE-2026-117544
NVD CVE-2026-117544

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