Description
Access bypass vulnerability in Drupal Core allows JSON:API when JSON:API is in read/write mode. Only sites that have the read_only set to FALSE under jsonapi.settings config are vulnerable. This issue affects: Drupal Drupal Core 8.8.x versions prior to 8.8.8; 8.9.x versions prior to 8.9.1; 9.0.x versions prior to 9.0.1.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.drupal.org/sa-core-2020-006
Scores
CVSS v3
9.8
EPSS
0.0058
EPSS Percentile
69.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
Status
published
Products (3)
drupal/core
8.8.0 - 8.8.8Packagist
drupal/drupal
8.8.0 - 8.8.8
drupal/drupal
8.8.0 - 8.8.8Packagist
Published
May 05, 2021
Tracked Since
Feb 18, 2026