PT-2026-43295 · Joomla+2 · Joomla! Cms+1

Claude · Published 2026-05-26 · Updated 2026-05-28 · CVE-2026-40383

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)

Description Improper validation of user-supplied input leads to a local file inclusion, which allows an attacker to include files on the local server.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

BIT-JOOMLA-2026-40383

CVE-2026-40383

Affected Products

Joomla! Cms

Joomla!

References · 6

• https://osv.dev/vulnerability/CVE-2026-40383 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-joomla-2026-40383 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-40383 · Security Note
• https://developer.joomla.org/security-centre/1041-20260509-core-lfi-in-htmlview-layout-parameter.html · Vendor Advisory
• https://t.me/cveNotify/164826 · Telegram Post
• https://twitter.com/CVEnew/status/2059337211816882218 · Twitter Post