[20260909] - Core - SSRF vectors in various core extensions

Project: Joomla!
SubProject: CMS
Impact: High
Severity: High
Probability: Low
Versions: 3.0.0-5.4.8,6.0.0-6.1.3
Exploit type: SSRF
Reported Date: 2026-08-24
Fixed Date: 2026-09-25
CVE Number: CVE-2026-92222

Description

URLs used for serverside requests were improperly validated, leading to SSRF vectors.

Affected Installs

Joomla! CMS versions 4.0.0-5.4.8, 6.0.0-6.1.3

Solution

Upgrade to version 5.4.9, 6.1.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Aria Akhavan, Calif.io in collaboration with Anthropic