CVE-2026-23898: Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate
Published Apr 1, 2026
·Updated
Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.
Affected Software
3 affected components
Joomla Joomla Core (com_joomlaupdate)
Joomla Joomla\!>=3.0.0<5.4.4
Joomla Joomla\!>=6.0.0<6.0.4
Event History
Apr 1, 2026
CVE Published
via MITRE·09:03 AM
Data Sourced
via MITRE·09:03 AM
DescriptionWeakness
Data Sourced
via NVD·10:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-23898?
CVE-2026-23898 is classified as a high severity vulnerability due to its potential for arbitrary file deletion.
2
How do I fix CVE-2026-23898?
To fix CVE-2026-23898, update Joomla! to the latest version that addresses the arbitrary file deletion issue.
3
What software is affected by CVE-2026-23898?
CVE-2026-23898 affects Joomla Core specifically in the com_joomlaupdate component.
4
What are the impacts of CVE-2026-23898?
The impact of CVE-2026-23898 includes unauthorized deletion of files, which can potentially disrupt website functionality and expose sensitive data.
5
Is there a workaround for CVE-2026-23898 until I can update?
A temporary workaround for CVE-2026-23898 is to disable the com_joomlaupdate component until a fix is applied.