Arbitrary file upload in Strapi

CVE-2026-22707

Strapi is an open source headless content management system. In Strapi versions prior to 5.33.3, the Upload plugin's Content API endpoints did not enforce the administrator-configured MIME type restrictions (`plugin.upload.security.allowed…

Vulnerability class: Unrestricted File Upload

EPSS: 0.000 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-22707?
CVE-2026-22707 is a medium-severity vulnerability in Strapi, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 5.4/10. Published 2026-05-14.
How severe is CVE-2026-22707?
Medium severity. CVSS v3 base score is 5.4 out of 10.