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Critical severity9.8NVD Advisory· Published May 26, 2026· Updated Jul 24, 2026

CVE-2026-40383

CVE-2026-40383

Description

An improper validation of user-supplied input leads to a local file inclusion vulnerability.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4

Joomla/Joomla!inferred3 versions
(expand)+ 2 more
- (no CPE)
- cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*range: >=3.2.1,<5.4.6
- (no CPE)
osv-coords
pkg:bitnami/joomla
Range: >= 3.2.1, < 5.4.6

Patches

Vulnerability mechanics

References

1

developer.joomla.org/security-centre/1041-20260509-core-lfi-in-htmlview-layout-parameter.htmlnvdVendor Advisory

News mentions

1

Joomla! May 2026: 18 CVEs Including Critical SQLi, LFI, and Privilege Escalation Flaws
Vypr Intelligence · May 26, 2026