docker: Schwachstelle ermöglicht Manipulation von Dateien
WID-SEC-2026-2602 · first 31.07.2026 · updated 26.10.2026 · CVSS 6,1
What it is about
Docker ist eine Open-Source-Software, die dazu verwendet werden kann, Anwendungen mithilfe von Betriebssystemvirtualisierung in Containern zu isolieren. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in docker ausnutzen, um Dateien zu manipulieren.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- Dateien zu manipulieren
Am I affected?
Affected according to the BSI:
- Amazon Linux 2
- Red Hat Enterprise Linux
- SUSE Linux
- Oracle Linux
- Open Source docker <29.7.0
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source docker 29.7.0
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)
- Docker Release Notes vom 2026-07-30 docs.docker.com
- Moby GitHub vom 2026-07-30 github.com
- Docker GitHub github.com
- SUSE Security Update SUSE-SU-2026:3863-1 vom 2026-09-03 lists.suse.com
- Red Hat Security Advisory RHSA-2026:66521 vom 2026-09-11 access.redhat.com
- Red Hat Security Advisory RHSA-2026:68254 vom 2026-09-16 access.redhat.com
- Red Hat Security Advisory RHSA-2026:68006 vom 2026-09-16 access.redhat.com
- Red Hat Security Advisory RHSA-2026:69961 vom 2026-09-22 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-70201 vom 2026-09-23 linux.oracle.com
- Amazon Linux Security Advisory ALAS2DOCKER-2026-142 vom 2026-09-29 alas.aws.amazon.com
- Red Hat Security Advisory RHSA-2026:77656 vom 2026-10-07 access.redhat.com
- Red Hat Security Advisory RHSA-2026:79546 vom 2026-10-09 access.redhat.com
- Amazon Linux Security Advisory ALAS2NITRO-ENCLAVES-2026-124 vom 2026-10-25 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2DOCKER-2026-152 vom 2026-10-25 alas.aws.amazon.com
- Amazon Linux Security Advisory ALAS2ECS-2026-148 vom 2026-10-25 alas.aws.amazon.com
CVE: CVE-2026-17106
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.