Improper Certificate Validation in Prisma SD-WAN ION - CVE-2026-0244
Published: May 15, 2026
Vulnerability identifier: #VU131551
CSH Severity: Medium
CVSS v4: 7.7 [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]
CVE-ID: CVE-2026-0244
CWE-ID: CWE-295
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Prisma SD-WAN ION
How to mitigate CVE-2026-0244
Install updates from vendor's website.
Prisma SD-WAN ION - addressed in versions 6.3.6-b10, 6.4.3-b8, 6.5.3-b15