CVE-2026-0249
GlobalProtect App: Certificate Validation Bypass Vulnerabilities
Description
Multiple improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect™ app enables an attacker to intercept encrypted communications and potentially compromise the endpoint. This can enable a local non-administrative operating system user or an attacker on the same subnet to redirect traffic to an unauthorized server and facilitate the installation of malicious software. The GlobalProtect app on Linux, Windows, iOS and GlobalProtect UWP app are not affected.
Weakness: CWE-295
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Palo Alto Networks | GlobalProtect | VPN & Remote Access | cna-assigner |
Vendor-reported affected versions (4)
- Palo Alto Networks · GlobalProtect App
- Palo Alto Networks · GlobalProtect App
- Palo Alto Networks · GlobalProtect App
- Palo Alto Networks · GlobalProtect App
Credit
Palo Alto Networks thanks Kakao Corp. Service Security Team and our internal security research teams for discovering and reporting this issue.
Vendor remediation
Version Minor Version Suggested Solution GlobalProtect App 6.1 on Android 6.1.0 through 6.1.12 Upgrade to 6.1.13 or later. GlobalProtect App 6.0 on Android 6.0.0 through 6.0.13 Upgrade to 6.0.14 or later. GlobalProtect App 6.1 on Chrome OS 6.1.0 through 6.1.12 Upgrade to 6.1.13 or later. GlobalProtect App 6.0 on Chrome OS 6.0.0 through 6.0.13 Upgrade to 6.0.14 or later. GlobalProtect App 6.3 on macOS 6.3.0 through 6.3.3-h8 Upgrade to 6.3.3-h9 (6.3.3-999) or later. GlobalProtect App 6.2 on macOS 6.2.0 through 6.2.8-h9 Upgrade to 6.2.8-h10 (6.2.8-948) or later. GlobalProtect App 6.0 on macOS 6.0.0 through 6.0.12 Upgrade to 6.0.13 or later. GlobalProtect App on Windows No action needed. GlobalProtect App on Linux No action needed. GlobalProtect App on iOS No action needed. GlobalProtect App on UWP No action needed.