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CVE-2026-0244

8.1 · HIGH

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.

Published May 13, 2026paloaltonetworksCWE-295EPSS 0.22%

Overview

CVE-2026-0244 is a high-severity vulnerability affecting paloaltonetworks prisma_sd-wan. It was published on May 13, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from paloaltonetworks. Update prisma_sd-wan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
paloaltonetworksprisma_sd-wan>= 6.3.1, < 6.3.6Affected

References

Refsecurity.paloaltonetworks.com/CVE-2026-0244

How CyberStrike helps

Frequently asked questions

What is CVE-2026-0244?

CVE-2026-0244 is a high-severity vulnerability affecting paloaltonetworks prisma_sd-wan. It was published on May 13, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-0244?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-0244?

Check the references section for vendor advisories and patches from paloaltonetworks. Update prisma_sd-wan to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-0244?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-0244 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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