An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 13, 2026 · NIST NVD

   Detected

   An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

2. Jul 14, 2026 · NIST NVD

   Updated

   An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

Affected

• cpe paloaltonetworks/prisma sd-wanversion unspecified
• cpe paloaltonetworks/prisma sd-wan6.3.6
• cpe paloaltonetworks/prisma sd-wan6.4.3

Sources

• CVE.orgVulnerability recordCVE-2026-0244

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-0244

  An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

  nvd.nist.gov

References

• Vendor Advisory · security.paloaltonetworks.com