Red Hat FUSE (libfuse): Mehrere Schwachstellen ermöglichen Codeausführung und DoS
WID-SEC-2026-0913 · first 30.03.2026 · updated 20.04.2026 · CVSS 7,8
What it is about
Red Hat Fuse ist eine Open-Source-Integrationsplattform, die auf Apache Camel basiert. Ein lokaler Angreifer kann mehrere Schwachstellen in Red Hat FUSE (libfuse) ausnutzen, um beliebigen Programmcode auszuführen oder um einen Denial-of-Service-Zustand zu verursachen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen oder um einen Denial-of-Service-Zustand zu verursachen
Am I affected?
Affected according to the BSI:
- Gentoo Linux
- Red Hat FUSE libfuse >3.18.2
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Red Hat FUSE libfuse 3.18.2
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
- Original BSI advisory (WID)
- OSS Security Mailing List vom 2026-03-29 seclists.org
- Libfuse GitHub vom 2026-03-29 github.com
- Libfuse GitHub vom 2026-03-29 github.com
- Gentoo Linux Security Advisory GLSA-202604-03 vom 2026-04-17 security.gentoo.org
CVE: CVE-2026-33150, CVE-2026-33179
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.