CVE-2020-13675: Drupal

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Drupal's JSON:API and REST/File modules allow file uploads through their HTTP APIs. The modules do not correctly run all file validation, which causes an access bypass vulnerability. An attacker might be able to upload files that bypass the file validation process implemented by modules on the site.

Affected products

• Drupal Drupal: from 8.0.0, before 8.9.19 (fixed in 8.9.19); from 9.1.0, before 9.1.13 (fixed in 9.1.13); from 9.2.0, before 9.2.6 (fixed in 9.2.6)

Published 2022-02-11. Last modified 2026-06-17.