CVE Vulnerabilities

CVE-2026-0244

Improper Certificate Validation

Published: May 13, 2026 | Modified: Jul 14, 2026
CVSS 3.x
8.1
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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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.

Weakness

The product does not validate, or incorrectly validates, a certificate.

Affected Software

NameVendorStart VersionEnd Version
Prisma_sd-wanPaloaltonetworks6.3.1 (including)6.3.6 (excluding)
Prisma_sd-wanPaloaltonetworks6.4.1 (including)6.4.3 (excluding)
Prisma_sd-wanPaloaltonetworks6.5.1 (including)6.5.3 (excluding)
Prisma_sd-wanPaloaltonetworks6.3.6 (including)6.3.6 (including)
Prisma_sd-wanPaloaltonetworks6.3.6-b6 (including)6.3.6-b6 (including)
Prisma_sd-wanPaloaltonetworks6.3.6-b9 (including)6.3.6-b9 (including)
Prisma_sd-wanPaloaltonetworks6.4.3 (including)6.4.3 (including)
Prisma_sd-wanPaloaltonetworks6.4.3-b6 (including)6.4.3-b6 (including)
Prisma_sd-wanPaloaltonetworks6.4.3-b8 (including)6.4.3-b8 (including)
Prisma_sd-wanPaloaltonetworks6.5.3 (including)6.5.3 (including)
Prisma_sd-wanPaloaltonetworks6.5.3-b11 (including)6.5.3-b11 (including)
Prisma_sd-wanPaloaltonetworks6.5.3-b9 (including)6.5.3-b9 (including)
Prisma_sd-wanPaloaltonetworks6.5.3-i-b10 (including)6.5.3-i-b10 (including)

Potential Mitigations

References