CVE-2026-71574 — MEDIUM (6.5)

Q: How severe is CVE-2026-71574?

CVE-2026-71574 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-71574?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Joomla	Joomla\!	>= 4.0.0, < 5.4.8

Related Weaknesses (CWE)

CWE-284

References

https://developer.joomla.org/security-centre/1070-20260803-core-inconsistent-aclVendor Advisory
https://www.joomla.org/Product

FAQ

What is CVE-2026-71574?

CVE-2026-71574 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 action...

How severe is CVE-2026-71574?

CVE-2026-71574 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-71574?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.