CVE-2026-71574CWE-284broken-access-control

CVE-2026-71574

Medium · published August 18, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
26.6
In the wild
Unconfirmed
What it is

Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
8.5 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00343 · 26.6th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-08-18T20:18Z
Affected products (2)
ProductVersionsFixed in
joomla/joomla\!≥ 4.0.0, < 5.4.85.4.8
joomla/joomla\!≥ 6.0.0, < 6.1.36.1.3
References (2)
https://developer.joomla.org/security-centre/1070-20260803-core-inconsistent-acl-checks-for-mutating-webservice-endpoints.html · [email protected]https://www.joomla.org/ · [email protected]
EPSS history
Timeline
  • 18 AUG 16:02Z
    Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2
    cvelistv5