CVE-2026-71574 PUBLISHED

Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2

Assigner: Joomla
Reserved: 07.08.2026 Published: 18.08.2026 Updated: 19.08.2026

Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.5

Product Status

Vendor Joomla! Project
Product Joomla! CMS
Versions Default: unaffected
  • Version 4.0.0-5.4.6 is affected
  • Version 6.0.0-6.1.2 is affected

Credits

  • Paul finder
  • Sorrachat finder
  • tms finder

References

Problem Types

  • CWE-284 Improper Access Control CWE