CVE-2026-0249 MEDIUM

CVE-2026-0249: GlobalProtect App: Certificate Validation Bypass Vulnerabilities

Vendor Palo Alto Networks
Product GlobalProtect App
Weakness CWE-295
Published May 13, 2026
Last update May 15, 2026

CVSS base score

4.9/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 13, 2026 CVE published
May 15, 2026 Record updated