Vulnerability · Published May 26, 2026 · Assigned by Joomla

CVE-2026-40383Joomla! Core - [20260509] - LFI in HTMLView layout parameter

High 7.5

In plain English

A high-severity path traversal in Joomla! CMS from Joomla! Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 12.5% (higher than 96% of all known vulnerabilities).

Severity (CVSS 4.0)7.5High
Exploit odds (30 days)12.5%top 3.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Joomla! Project Joomla! CMS 3.2.1-5.4.56.0.0-6.1.0

Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References