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Packagist/craftcms/cms CVE-2026-41130: medium, EPSS 0.40%

Craft CMS has a host header injection leading to SSRF via resource-js endpoint

Action: Upgrade craftcms/cms to 4.17.9 or later.

composer require craftcms/cms:5.9.15
composer require craftcms/cms:4.17.9

Affected

introducedfixedlast affected
5.0.0-RC15.9.15-
4.0.0-RC14.17.9-

Fixed versions

5.9.154.17.9

Sources

CVE-2026-41130 · published · modified · JSON