Vulnerability in Palo Alto Networks Globalprotect App
CVE-2026-0296
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.001 (2.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Palo Alto Networks Globalprotect App — versions 6.3.0, 6.2.0, 6.0.0
- Paloaltonetworks Globalprotect — versions 6.2.8, 6.3.3
Weakness classification (CWE)
References
- security.paloaltonetworks.com/CVE-2026-0296 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0296?
- CVE-2026-0296 is a high-severity vulnerability in Palo Alto Networks Globalprotect App, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2026-08-13.
- How severe is CVE-2026-0296?
- High severity. CVSS v3 base score is 7.4 out of 10.