Joomla LFI Vulnerability: Improper Input Validation
CVE-2026-40383 Published on May 26, 2026
Joomla! Core - [20260509] - LFI in HTMLView layout parameter
An improper validation of user-supplied input leads to a local file inclusion vulnerability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-40383 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-40383
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Affected Versions
Joomla! Project Joomla! CMS:- Version 3.2.1-5.4.5 is affected.
- Version 6.0.0-6.1.0 is affected.