CVE-2026-90916

Joomla! Core - [20260906] - Core - Improper ACL checks in content history comparison view in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3

Published Sep 29, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Description
Joomla! Core - [20260906] - Core - Improper ACL checks in content history comparison view in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - An improper access check allows unauthorized users to view inaccessible contents.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Joomla joomla\!
CPEs cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
Vendors & Products Joomla joomla\!
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Joomla
Joomla joomla!
Vendors & Products Joomla
Joomla joomla!
Type Values Removed Values Added
Description Joomla! Core - [20260906] - Core - Improper ACL checks in content history comparison view in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - An improper access check allows unauthorized users to view inaccessible contents.
Title Joomla! Core - [20260906] - Core - Improper ACL checks in content history comparison view in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3
Weaknesses CWE-284
References
Metrics cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Oct 1, 2026, 4:45 AM
Reserved
Sep 14, 2026, 11:03 AM
Status
Analyzed
Published
Sep 29, 2026, 5:17 PM
Modified
Oct 6, 2026, 4:34 PM