Threat landscape
high

Drupal Module: Mehrere Schwachstellen ermöglichen Manipulation von Daten

WID-SEC-2026-1998 · first 18.06.2026 · updated 13.07.2026 · CVSS 8,1

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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 ausnutzen, um Daten zu manipulieren.

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

  • Daten zu manipulieren

Am I affected?

Affected according to the BSI:

  • Open Source Drupal Formatter Field <2.0.0
  • Open Source Drupal Flag Attendance Field <1.2
  • Open Source Drupal Plotly.js Graphing <3.0.2

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 Formatter Field 2.0.0
  • Open Source Drupal Flag Attendance Field 1.2
  • Open Source Drupal Plotly.js Graphing 3.0.2

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

CVE: CVE-2026-12535, CVE-2026-55809, CVE-2026-55810

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.

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