What is GHSA-g59x-9hwq-cm5h?

GHSA-g59x-9hwq-cm5h is a security advisory published by GitHub Security Advisories with High severity. Joomla! Core - [20260903] - Core - Improper ACL checks for access level webservice endpoints in...

Which CVE IDs does GHSA-g59x-9hwq-cm5h cover?

GHSA-g59x-9hwq-cm5h covers the following CVE IDs: CVE-2026-90913. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-g59x-9hwq-cm5hHigh

Joomla! Core - [20260903] - Core - Improper ACL checks for access level webservice endpoints in...

Vendor

GitHub Security Advisories

Published

September 29, 2026

Last Modified

September 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-90913 →

📋 Description

Joomla! Core - [20260903] - Core - Improper ACL checks for access level webservice endpoints in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - An improper access check allows unauthorized users to perform mutation actions in access level endpoints.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-90913
https://developer.joomla.org/security-centre/1083-20260903-core-improper-acl-checks-for-user-level-webservice-endpoints.html
https://www.joomla.org
https://github.com/advisories/GHSA-g59x-9hwq-cm5h