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Fencer Vulns
critical 9.8

CVE-2026-40383 in the critical feed json

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

published 2026-05-26 5 mo ago modified 2026-09-10 1 mo ago also BIT-joomla-2026-40383 , EUVD-2026-31888

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.5%
EPSS 12.5% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

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

Patch / fix

  • bitnami joomla 5.4.6, 6.1.1
  • joomla joomla! 5.4.6, 6.1.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
5 mo ago

Exploit prediction

12.52% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 7.5 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
CNA 4.0 7.5 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
bitnami joomla
>=3.2.1, <5.4.6
>=6.0.0, <6.1.1
5.4.6
6.1.1

Affected products

  • Joomla! Project Joomla! CMS

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.