CVE-2026-55807 Drupal core - Moderately critical - Server-side request forgery - SA-CORE-2026-008

Server-Side Request Forgery SSRF vulnerability in Drupal Drupal core allows Server Side Request Forgery. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0., from 0.0.0 to 11.1...

CVE-2026-55807

Drupal core is affected by CVE-2026-55807 via a Server-Side Request Forgery (SSRF) in the Media module’s oEmbed URL discovery, allowing the server to be induced to fetch arbitrary URLs. Affected versions include Drupal core from 0.0.0 up to 10.5.12, 10.6.0–10.6.11, 11.2.0–11.2.14, 11.3.0–11.3.12,...