SB2026051515 - Multiple vulnerabilities in Palo Alto Prisma SD-WAN ION

Description

This security bulletin contains information about 2 vulnerabilities.

1) Unchecked Input for Loop Condition (CVE-ID: CVE-2026-0243)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to unchecked input for loop condition. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.

2) Improper Certificate Validation (CVE-ID: CVE-2026-0244)

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.

Remediation

Install update from vendor's website.

References

• https://security.paloaltonetworks.com/CVE-2026-0243
• https://security.paloaltonetworks.com/CVE-2026-0244