TYPO3 Core: Mehrere Schwachstellen
WID-SEC-2026-3224 · first 08.09.2026 · updated 09.09.2026 · CVSS 7,2
What it is about
TYPO3 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 TYPO3 Core ausnutzen, um Informationen offenzulegen, einen Denial of Service zu verursachen oder seine Rechte zu erweitern.
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
- Informationen offenzulegen
- einen Denial of Service zu verursachen oder seine Rechte zu erweitern
Am I affected?
Affected according to the BSI:
- TYPO3 Core <10.4.60 ELTS
- TYPO3 Core <11.5.54 ELTS
- TYPO3 Core <12.4.49 ELTS
- TYPO3 Core <13.4.35 LTS
- TYPO3 Core <14.3.7 LTS
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- TYPO3 Core 10.4.60 ELTS
- TYPO3 Core 11.5.54 ELTS
- TYPO3 Core 12.4.49 ELTS
- TYPO3 Core 13.4.35 LTS
- TYPO3 Core 14.3.7 LTS
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)
- Typo3 Security Advisory vom 2026-09-07 news.typo3.com
- Typo3 Security Advisory vom 2026-09-07 news.typo3.com
CVE: CVE-2026-77132, CVE-2026-85400
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.