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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://security.paloaltonetworks.com/CVE-2026-0296 Vendor Advisory
Vendor advisories in the News 1
- CVE-2026-0296 GlobalProtect App: Improper Certificate Validation Bypass Vulnerability (Severity: MEDIUM) Palo Alto Networks Security Advisories · 2026-09-12
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 4.5 · paloaltonetworksNVD modified 2026-10-23 19:10
Affected (CPE criteria) 43
cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:*:*:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:-:*:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:-:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h1:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h10:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h11:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h12:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h2:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h3:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h4:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h5:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h6:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h7:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h8:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.2.8:h9:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:-:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h1:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h11:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h11:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h12:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h12:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h2:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:linux:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h3:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h4:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h4:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h6:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h6:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h7:*:*:*:macos:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h7:*:*:*:windows:*:*cpe:2.3:a:paloaltonetworks:globalprotect:6.3.3:h8:*:*:*:macos:*:*- and 3 more
References 1
- https://security.paloaltonetworks.com/CVE-2026-0296 Vendor Advisory