7-Zip: Schwachstelle ermöglicht Codeausführung
WID-SEC-2026-1681 · first 27.05.2026 · updated 28.07.2026 · CVSS 8,8
What it is about
7-Zip ist ein Extraktionsdienstprogramm für Archive, die im ZIP-Format komprimiert sind. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in 7-Zip ausnutzen, um beliebigen Programmcode auszuführen.
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
- beliebigen Programmcode auszuführen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Fedora Linux
- SUSE Linux
- SUSE openSUSE
- HCL BigFix Inventory
- NetApp ActiveIQ Unified Manager
- Open Source 7-Zip <26.01
- HCL BigFix Scanner
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Open Source 7-Zip 26.01
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 Lab vom 2026-05-26 mit PoC securitylab.github.com
- SOC Prime Blog vom 2026-05-26 socprime.com
- openSUSE Security Update OPENSUSE-SU-2026:10942-1 vom 2026-06-07 lists.opensuse.org
- Fedora Security Advisory FEDORA-EPEL-2026-52D18D8D5A vom 2026-06-15 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-4BE7569210 vom 2026-06-15 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-EPEL-2026-8D909527BA vom 2026-06-15 bodhi.fedoraproject.org
- NetApp Security Advisory NTAP-20260619-0001 vom 2026-06-19 security.netapp.com
- openSUSE Security Update OPENSUSE-SU-2026:21038-1 vom 2026-06-30 lists.opensuse.org
- SUSE Security Update SUSE-SU-2026:2696-1 vom 2026-06-30 lists.suse.com
- SUSE Security Update SUSE-SU-2026:22347-1 vom 2026-07-01 lists.suse.com
- Debian Security Advisory DLA-4681 vom 2026-07-13 lists.debian.org
- HCL Security Bulletin vom 2026-07-27 support.hcl-software.com
CVE: CVE-2026-48095
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.