Drupal AlternativeCommerce (Basket): Schwachstelle ermöglicht Codeausführung
WID-SEC-2026-1702 · first 28.05.2026 · 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 entfernter, anonymer Angreifer kann eine Schwachstelle im Drupal-Modul "AlternativeCommerce" (Basket) ausnutzen, um beliebigen Programmcode auszuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
Am I affected?
Affected according to the BSI:
- Open Source Drupal AlternativeCommerce <2.1.17
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 AlternativeCommerce 2.1.17
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Drupal Security Advisory sa-contrib-2026-038 vom 2026-05-27 www.drupal.org
CVE: CVE-2026-9726
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.