All vulnerabilities

Servers and applications

CVE-2020-13665

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.

Severity
Critical 9.8
Published
5 May 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.8.8, 8.9.1, 9.0.1
Sources
NVD

Affected software

SoftwareAffected versions
DrupalServers and applications · cpe:a:drupal:drupal
  • From 8.8.0 before 8.8.8
  • From 8.9.0 before 8.9.1
  • From 9.0.0 before 9.0.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-13665
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-13665