Vulnerability in Drupal Block AJAX

[ Why it matters ]Priority signals

• Critical severity: CVSS 9.8

[ Description ]Official description

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Block AJAX allows Object Injection. This issue affects Block AJAX versions: from 0.0.0 to 3.0.2.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund8 Oct 2026WID-SEC-2026-3819

  Drupal Erweiterungen: Multiple vulnerabilities Translated from German

  CVE-2026-107261CVE-2026-107311CVE-2026-107306+23 more CVEs

[ References ]References

• www.drupal.org/sa-contrib-2026-192