---
id: CVE-2026-0296
title: >-
  Improper certificate validation vulnerabilities in Palo Alto Networks
  GlobalProtect™ app enable an unauthenticated attacker with man-in-the-middle
  (MitM) access to intercept and modify application communications
summary: >-
  Improper certificate validation vulnerabilities in Palo Alto Networks
  GlobalProtect™ app enable an unauthenticated attacker with man-in-the-middle
  (MitM) access to intercept and modify application communications. VPN tunnel
  traffic is no…
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-295
vendor: paloaltonetworks
product: globalprotect
affected:
  - 'globalprotect >= 6.0.0, < 6.0.15'
  - 'globalprotect >= 6.2.0, < 6.2.8'
  - 'globalprotect >= 6.2.0, <= 6.2.9'
  - 'globalprotect >= 6.3.0, < 6.3.3'
  - globalprotect
  - globalprotect = 6.2.8
  - globalprotect = 6.3.3
patched:
  - globalprotect 6.3.3
published: '2026-08-13'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T17:09:30.590'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-0296'
references:
  - url: 'https://security.paloaltonetworks.com/CVE-2026-0296'
    label: psirt@paloaltonetworks.com
tags:
  - nvd
epss: 0.00138
epssPercentile: 0.03596
ingestedAt: '2026-09-10T18:02:18.300Z'
---

## Overview

Improper certificate validation vulnerabilities in Palo Alto Networks GlobalProtect™ app enable an unauthenticated attacker with man-in-the-middle (MitM) access to intercept and modify application communications. VPN tunnel traffic is not impacted.

The GlobalProtect app on iOS, Android, and Chrome OS is not affected.

## Affected

- `globalprotect >= 6.0.0, < 6.0.15`
- `globalprotect >= 6.2.0, < 6.2.8`
- `globalprotect >= 6.2.0, <= 6.2.9`
- `globalprotect >= 6.3.0, < 6.3.3`
- `globalprotect`
- `globalprotect = 6.2.8`
- `globalprotect = 6.3.3`

## Remediation

Upgrade past the affected range:

- `globalprotect 6.3.3`