CVE-2026-23899NVD

Vulnerability Summary

An improper access check allows unauthorized access to webservice endpoints.

Severity Level

UNKNOWN

Published Date

Apr 1, 2026

Last Modified

Apr 2, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.00%Probability

Root Weakness (CWE)

CWE-284: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 8.6 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredHigh

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

Joomla! Project Joomla! CMS >= 4.0.0-5.4.3
Joomla! Project Joomla! CMS >= 6.0.0-6.0.3

Patched Versions

Not provided by cveorg for this CVE.

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