Palo Alto Security Updates – 09 April 2026

Palo Alto has released security updates to fix several vulnerabilities affecting multiple Palo Alto products.

The addressed vulnerabilities could allow the attacker to perform a denial of service attack, bypass security restrictions, obtain sensitive information, execute arbitrary commands, or bypass the authentication and gain access to the affected product.

Sample of the addressed vulnerabilities:

1. Cortex XSOAR: Improper Verification of Cryptographic Signature in Microsoft Teams integration Vulnerability (CVE-2026-0234):

  • CVSS: 7.2
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Gain Access

2. PAN-OS: Denial of Service in Advanced DNS Security Feature Vulnerability (CVE-2026-0229):

  • CVSS: 6.6
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Denial of Service

The affected products:

  • PAN-OS.
  • Cortex XSOAR.
  • Cortex XDR Broker VM.
  • Cortex XDR Agent.
  • Autonomous Digital Experience Manager.
Vulnerabilities
  • CVE-2026-0228
  • CVE-2026-0229
  • CVE-2026-0231
  • CVE-2026-0230
  • CVE-2026-0232
  • CVE-2026-0233
  • CVE-2026-0234
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Palo Alto Security Advisory

References