← All Advisories

Palo Alto Networks Prisma SD-WAN Certificate Validation Flaw Scores 8.1

Last refreshed2026-09-26

Status: UPDATED  |  Advisory ID: CVE-2026-0244

Key Details

CVECVE-2026-0244
CVSS Score / Version8.1 (High) / CVSS v3.1
Updated2026-09-24
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is high; privileges required is none; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsPalo Alto Networks Prisma SD-WAN
Classified asCWE-295 (Improper Certificate Validation)
Exploitation prediction (EPSS)0.22% probability of exploitation in the next 30 days (11% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
Palo Alto NetworksPrisma SD-WAN
SubsystemsGeneral OT
SectorsMultiple

What to Know

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.

What to Do

Monitor Palo Alto Networks's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-0244
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-0244
Vendor advisoryhttps://security.paloaltonetworks.com/CVE-2026-0244