CVE-2026-31266

Missing Authorization on Craft CMS Migration Endpoint

Published May 27, 2026 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed
Description
Craft CMS 5.9.5 and earlier contains a Missing Authorization vulnerability in the migrate endpoint (/actions/app/migrate).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Craftcms
Craftcms craft Cms
Vendors & Products Craftcms
Craftcms craft Cms
Type Values Removed Values Added
Title Missing Authorization on Craft CMS Migration Endpoint
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Craft CMS 5.9.5 and earlier contains a Missing Authorization vulnerability in the migrate endpoint (/actions/app/migrate).
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 27, 2026, 6:26 PM
Reserved
Mar 9, 2026, 12:00 AM
Status
Deferred
Published
May 27, 2026, 3:16 PM
Modified
Jun 17, 2026, 10:33 AM