Palo Alto Networks PAN-OS: Mehrere Schwachstellen
WID-SEC-2026-2261 · first 09.07.2026 · updated 10.07.2026 · CVSS 10,0
What it is about
PAN-OS ist das Betriebssystem der Sicherheitssysteme / Firewalls der Firma Palo Alto Networks. Ein Angreifer kann mehrere Schwachstellen in Palo Alto Networks PAN-OS ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen.
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
- einen Cross-Site Scripting Angriff durchzuführen
- beliebigen Code auszuführen
- Sicherheitsmaßnahmen zu umgehen
- Daten zu manipulieren
- vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand auszulösen
Am I affected?
Affected according to the BSI:
- Palo Alto Networks PAN-OS 12.1
- Palo Alto Networks PAN-OS 11.2
- Palo Alto Networks PAN-OS 11.1
- Palo Alto Networks PAN-OS 10.2
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Install the updates provided by the vendor; details in the sources below.
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)
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
- Palo Alto Networks Security Advisory vom 2026-07-08 security.paloaltonetworks.com
CVE: CVE-2026-0279, CVE-2026-0280, CVE-2026-0281, CVE-2026-0282, CVE-2026-0283, CVE-2026-0284, CVE-2026-0285, CVE-2026-0286, CVE-2026-0287, CVE-2026-0288
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.