CVE-2026-61900 | The Joomla extension JDownloads is vulnerable to an unauthen… | CVSS 10.0 CRITICAL

Description

The Joomla extension JDownloads is vulnerable to an unauthenticated file upload, leading to full RCE.

CVE ID: CVE-2026-61900
State: PUBLISHED
Assigner: Joomla
Reserved: 2026-07-12 05:35 UTC
Published: 2026-07-20 18:34 UTC
Last updated: 2026-07-22 05:35 UTC
Primary CWE: CWE-434
CWE-434 Unrestricted Upload of File with Dangerous Type
Vendor / Product: dj-extensions.com / jDownloads extension for Joomla
Sources: cve.org · NVD

10.0 CRITICAL CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC — CISA Coordinator

Affected products (1)

Vendor	Product	Platform	Versions
dj-extensions.com	jDownloads extension for Joomla	—	4.1.0-4.1.5

Weakness (CWE)

CWE	Source	Description
CWE-434	cna	CWE-434 Unrestricted Upload of File with Dangerous Type

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References (2)