CVE-2026-71574

MEDIUMCVSS 6.5/10EPSS 0.26%

Last modified

CVE-2026-71574 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

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.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
JoomlaJoomla\!>= 4.0.0, < 5.4.8
JoomlaJoomla\!>= 6.0.0, < 6.1.3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-71574?
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.
How severe is CVE-2026-71574?
CVE-2026-71574 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2026-71574?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST