RabbitMQ Java Client: Mehrere Schwachstellen
WID-SEC-2026-3773 · first 07.10.2026 · updated 07.10.2026 · CVSS 4,9
What it is about
RabbitMQ ist ein Open-Source Message Broker. Ein Angreifer kann mehrere Schwachstellen im RabbitMQ Java Client ausnutzen, um einen Denial of Service Angriff durchzuführen und um Informationen offenzulegen.
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
- einen Denial of Service Angriff durchzuführen
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- Open Source RabbitMQ Java Client <5.37.0
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source RabbitMQ Java Client 5.37.0
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)
- GitHub Advisory Database vom 2026-10-06 github.com
- GitHub Advisory Database vom 2026-10-06 github.com
- GitHub Advisory Database vom 2026-10-06 github.com
CVE: CVE-2026-106121, CVE-2026-106122, CVE-2026-106123
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.