Vulnerability in Drupal core

[ Why it matters ]Priority signals

• Interim mitigation published by PrivacySafe

[ Description ]Official description

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Drupal Drupal core allows Reflection Injection. This issue affects Drupal core versions: from 8.9.0 to 10.6.19, from 11.0.0 to 11.3.19, from 11.4.0 to 11.4.10, from 12.0.0-alpha1 to 12.0.0-beta2.

[ Fixes ]Fixes and patches

• Drupal core Field UI and Entity ListInterim mitigation · PrivacySafe · Check, Drupal's Field UI workaround (`mitigate`) and rollback for Drupal 8.9 to 12 sites on GNU/Linux (end-of-life branches move to a supported branch) and the contributed Entity List module
• Security bulletin: Drupal SA-CORE-2026-014Vendor patch or bulletin · CERT-FR · drupal.org/sa-core-2026-014, cited by CERT-FR CERTFR-2026-AVI-1321
• Security bulletin: Drupal SA-CORE-2026-015Vendor patch or bulletin · CERT-FR · drupal.org/sa-core-2026-015, cited by CERT-FR CERTFR-2026-AVI-1321
• Security bulletin: Drupal SA-CORE-2026-016Vendor patch or bulletin · CERT-FR · drupal.org/sa-core-2026-016, cited by CERT-FR CERTFR-2026-AVI-1321

[ Advisories ]Government CERT advisories

• NCSC-NL19 Oct 2026NCSC-2026-0438

  Vulnerabilities fixed in Drupal Core and modules by Drupal Translated from Dutch

  Probability/damage M/HCVE-2026-108097CVE-2026-108099CVE-2026-108514+2 more CVEs
• CERT-FR15 Oct 2026CERTFR-2026-AVI-1321

  Multiple vulnerabilities in Drupal Translated from French

  Multiple vulnerabilities have been discovered in Drupal. They allow an attacker to cause remote arbitrary code execution and remote cross-site scripting (XSS).

  CVE-2026-108097CVE-2026-108515CVE-2026-108514
• BSI CERT-Bund14 Oct 2026WID-SEC-2026-3968

  Drupal Core, Gin Admin Theme and Entity List: Multiple vulnerabilities Translated from German

  CVE-2026-108097CVE-2026-108515CVE-2026-110738+2 more CVEs

[ References ]References

• www.drupal.org/sa-core-2026-014