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
- Strapi — versions < 5.33.3
- Strapi @Strapi/upload — versions < 5.33.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
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.