Improper Certificate Validation in Prisma SD-WAN ION - CVE-2026-0244
Published: May 15, 2026
Vulnerability identifier: #VU131551
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-0244
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Prisma SD-WAN ION
Prisma SD-WAN ION
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper certificate validation. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack to impersonate the controller.
How to mitigate CVE-2026-0244
Install updates from vendor's website.