CVE-2026-0249
MEDIUMGlobalProtect App: Certificate Validation Bypass Vulnerabilities
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://security.paloaltonetworks.com/CVE-2026-0249
Scores
CVSS v4
4.9
EPSS
0.0011
EPSS Percentile
1.6%
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-295
Status
published
Products (6)
Palo Alto Networks/GlobalProtect App
6.0.0 - 6.0.13
Palo Alto Networks/GlobalProtect App
6.0.0 - 6.0.14
Palo Alto Networks/GlobalProtect App
6.1.0 - 6.1.13
Palo Alto Networks/GlobalProtect App
6.2.0 - 6.2.8-h10 (6.2.8-948)
Palo Alto Networks/GlobalProtect App
6.3.0 - 6.3.3-h9 (6.3.3-999)
Palo Alto Networks/GlobalProtect App
All
Published
May 13, 2026
Tracked Since
May 14, 2026