RabbitMQ Java Client: Mehrere Schwachstellen
WID-SEC-2026-2921 · first 19.08.2026 · updated 19.08.2026 · CVSS 7,5
What it is about
RabbitMQ ist ein Open-Source Message Broker. Ein Angreifer kann mehrere Schwachstellen im RabbitMQ Java Client ausnutzen, um Code auszuführen, um Sicherheitsmechanismen zu umgehen und um einen Denial of Service herbeizuführen.
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
- Code auszuführen
- Sicherheitsmechanismen zu umgehen
- einen Denial of Service herbeizuführen
Am I affected?
Affected according to the BSI:
- Open Source RabbitMQ Java Client <5.33.1
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 5.33.1
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 Security Advisory GHSA-5xwg-cfvj-gff5 vom 2026-08-18 github.com
- GitHub Security Advisory GHSA-qx7j-jv8m-fppr vom 2026-08-18 github.com
- GitHub Security Advisory GHSA-5m9f-rphj-c435 vom 2026-08-18 github.com
- GitHub Security Advisory GHSA-6g32-pxv4-2wfj vom 2026-08-18 github.com
- GitHub Security Advisory GHSA-68mj-5wr7-6fgg vom 2026-08-18 github.com
- GitHub Security Advisory GHSA-93j5-89vc-pph4 vom 2026-08-18 github.com
CVE: CVE-2026-61634, CVE-2026-63335, CVE-2026-63336, CVE-2026-63337, CVE-2026-69219, CVE-2026-69220
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.