Drupal Core: Mehrere Schwachstellen
WID-SEC-2026-2372 · first 16.07.2026 · updated 26.08.2026 · CVSS 6,5
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 mehrere Schwachstellen in Drupal Core ausnutzen, um Informationen offenzulegen oder einen Cross Site Scripting Angriff durchzuführen.
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
- Informationen offenzulegen oder einen Cross Site Scripting Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source Drupal <11.4.4
- Open Source Drupal <11.3.14
- Open Source Drupal <10.6.13
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 11.4.4
- Open Source Drupal 11.3.14
- Open Source Drupal 10.6.13
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-core-2026-010 vom 2026-07-15 www.drupal.org
- Drupal Security Advisory sa-core-2026-011 vom 2026-07-15 www.drupal.org
- Drupal Security Advisory sa-core-2026-012 vom 2026-07-15 www.drupal.org
CVE: CVE-2026-15916, CVE-2026-15917, CVE-2026-55805
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.