Drupal Core: Mehrere Schwachstellen
WID-SEC-2026-2002 · first 18.06.2026 · updated 13.07.2026 · CVSS 9,8
What it is about
Drupal ist ein freies Content-Management-System, basierend auf der Scriptsprache PHP und einer SQL-Datenbank. Über zahlreiche Extensions kann der Funktionsumfang der Core-Installation individuell erweitert werden. Ein Angreifer kann mehrere Schwachstellen in Drupal Core ausnutzen, um beliebigen Programmcode auszuführen, Cross-Site-Scripting-Angriffe durchzuführen, um Daten zu manipulieren, oder um Nutzer auf bösartige Websites umzuleiten.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
- Cross-Site-Scripting-Angriffe durchzuführen
- Daten zu manipulieren
- oder um Nutzer auf bösartige Websites umzuleiten
Am I affected?
Affected according to the BSI:
- Open Source Drupal Core <8.5.11
- Open Source Drupal Core <8.6.10
- Open Source Drupal Core <11.3.12
- Open Source Drupal Core <11.2.14
- Open Source Drupal Core <10.6.11
- Open Source Drupal Core <10.5.12
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source Drupal Core 8.5.11
- Open Source Drupal Core 8.6.10
- Open Source Drupal Core 11.3.12
- Open Source Drupal Core 11.2.14
- Open Source Drupal Core 10.6.11
- Open Source Drupal Core 10.5.12
Is the vulnerability already being exploited?
- CVE-2019-6340: exploited in the wild according to CISA, in the catalogue since 25.03.2022.
Information and sources
- Original BSI advisory (WID)
- Drupal Security Advisory sa-core-2019-003 vom 2026-06-17 www.drupal.org
- Drupal Security Advisory sa-core-2026-005 vom 2026-06-17 www.drupal.org
- Drupal Security Advisory sa-core-2026-006 vom 2026-06-17 www.drupal.org
- Drupal Security Advisory sa-core-2026-007 vom 2026-06-17 www.drupal.org
- Drupal Security Advisory sa-core-2026-008 vom 2026-06-17 www.drupal.org
- Drupal Security Advisory sa-core-2026-009 vom 2026-06-17 www.drupal.org
CVE: CVE-2026-55803, CVE-2026-55804, CVE-2026-55806, CVE-2026-55807, CVE-2026-55808, CVE-2019-6340
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.