CVE-2026-0249

GlobalProtect App: Certificate Validation Bypass Vulnerabilities

Published May 13, 2026 CVSS 4.0 · 4.9 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title GlobalProtect App: Certificate Validation Bypass Vulnerabilities
First Time appeared Palo Alto Networks
Palo Alto Networks globalprotect App
Weaknesses CWE-295
CPEs cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:Android:*:*
cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:ChromeOS:*:*
cpe:2.3:a:palo_alto_networks:globalprotect_app:*:*:*:*:*:macOS:*:*
Vendors & Products Palo Alto Networks
Palo Alto Networks globalprotect App
References
Metrics cvssV4_0

{'score': 4.9, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
palo_alto
Published
Updated
May 15, 2026, 9:57 AM
Reserved
Nov 3, 2025, 8:44 PM
Status
Analyzed
Published
May 13, 2026, 7:16 PM
Modified
Oct 26, 2026, 2:10 PM