NGINX NGINX Plus: Mehrere Schwachstellen
WID-SEC-2026-2383 · first 16.07.2026 · updated 09.10.2026 · CVSS 8,2
What it is about
NGINX Plus ist die kommerzielle Variante von NGINX, einer Webserver-, Reverse Proxy- und E-Mail Proxy Software. Ein Angreifer kann mehrere Schwachstellen in NGINX NGINX Plus ausnutzen, um beliebigen Programmcode auszuführen, um einen Denial of Service Angriff durchzuführen, um Daten zu manipulieren, 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
- beliebigen Programmcode auszuführen
- einen Denial of Service Angriff durchzuführen
- Daten zu manipulieren
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Fedora Linux
- Gentoo Linux
- RESF Rocky Linux
- SUSE Linux
- SUSE openSUSE
- Ubuntu Linux
- Oracle Linux
- NGINX NGINX Plus <37.0.3.1
- NGINX NGINX Plus <R36 P7
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- NGINX NGINX Plus 37.0.3.1
- NGINX NGINX Plus R36 P7
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 vom 2026-07-15 github.com
- GitHub Security Advisory vom 2026-07-15 github.com
- GitHub Security Advisory vom 2026-07-15 github.com
- GitHub Security Advisory vom 2026-07-15 github.com
- F5 Security Advisory vom 2026-07-15 my.f5.com
- F5 Security Advisory vom 2026-07-15 my.f5.com
- F5 Security Advisory vom 2026-07-15 my.f5.com
- F5 Security Advisory vom 2026-07-15 my.f5.com
- openSUSE Security Update OPENSUSE-SU-2026:11295-1 vom 2026-07-18 lists.opensuse.org
- Ubuntu Security Notice USN-8563-2 vom 2026-07-20 ubuntu.com
- Ubuntu Security Notice USN-8563-1 vom 2026-07-20 ubuntu.com
- Fedora Security Advisory FEDORA-2026-D1CD8E3D25 vom 2026-07-20 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-60FC198D3B vom 2026-07-20 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-3B93AAE2D6 vom 2026-07-20 bodhi.fedoraproject.org
- Cyberstan Blog CVE-2026-42533 vom 2026-07-20 cyberstan.co.uk
- Red Hat Security Advisory RHSA-2026:46012 vom 2026-07-27 access.redhat.com
- PoC CVE-2026-42533 github.com
- SUSE Security Update SUSE-SU-2026:3448-1 vom 2026-08-03 lists.suse.com
- SUSE Security Update SUSE-SU-2026:3469-1 vom 2026-08-04 lists.suse.com
- Amazon Linux Security Advisory ALAS2NGINX1-2026-015 vom 2026-08-05 alas.aws.amazon.com
- openSUSE Security Update OPENSUSE-SU-2026:21524-1 vom 2026-08-05 lists.opensuse.org
- Gentoo Linux Security Advisory GLSA-202608-16 vom 2026-08-17 security.gentoo.org
- SUSE Security Update SUSE-SU-2026:23118-1 vom 2026-08-14 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23140-1 vom 2026-08-14 lists.suse.com
- Ubuntu Security Notice USN-8563-3 vom 2026-08-19 ubuntu.com
and 35 more sources in the original advisory
CVE: CVE-2026-42533, CVE-2026-56434, CVE-2026-60005, CVE-2026-60065
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.