What is CVE-2026-56382?

CVE-2026-56382 is a high-severity vulnerability in Craftcms Cms, classified under Code Injection. CVSS score: 7.2/10. Published 2026-06-21.

How severe is CVE-2026-56382?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Craftcms Cms

CVE-2026-56382

Craft CMS (composer package craftcms/cms) versions >= 5.5.0 and <= 5.9.13 contain a remote code execution vulnerability in the FieldsController::actionRenderCardPreview() method, which passes the fieldLayoutConfig POST parameter directly t…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Craftcms Cms — versions 5.5.0, 5.9.14

Weakness classification (CWE)

CWE-94 — Code Injection

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56382?: CVE-2026-56382 is a high-severity vulnerability in Craftcms Cms, classified under Code Injection. CVSS score: 7.2/10. Published 2026-06-21.
How severe is CVE-2026-56382?: High severity. CVSS v3 base score is 7.2 out of 10.