Joomla CMS AutoUpd File Delete via Input Validation
CVE-2026-23898 Published on April 1, 2026

Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate
Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-23898 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:

NETWORK

Attack Complexity:

LOW

Privileges Required:

HIGH

User Interaction:

NONE

Weakness Type

External Control of File Name or Path

The software allows user input to control or influence paths or file names that are used in filesystem operations.

Products Associated with CVE-2026-23898

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Joomla

Affected Versions

Joomla! Project Joomla! CMS:

Version 4.0.0-5.4.3 is affected.
Version 6.0.0-6.0.3 is affected.

Exploit Probability

EPSS

0.45%

Percentile

37.06%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.