CVE-2026-0296: CWE-295 Improper Certificate Validation in Palo Alto Networks GlobalProtect App
CVE-2026-0296 is an improper certificate validation vulnerability in the Palo Alto Networks GlobalProtect app versions 6.0.0, 6.2.0, and 6.3.0. This flaw allows an unauthenticated attacker with man-in-the-middle access to intercept and modify application communications, though VPN tunnel traffic remains unaffected. The vulnerability does not impact the GlobalProtect app on iOS, Android, or Chrome OS. The CVSS score is 4.5, indicating a medium severity issue.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-0296 involves improper certificate validation in the Palo Alto Networks GlobalProtect app, specifically affecting versions 6.0.0, 6.2.0, and 6.3.0. This weakness enables an unauthenticated attacker who can perform man-in-the-middle attacks to intercept and alter communications within the application. Importantly, the VPN tunnel traffic itself is not impacted by this vulnerability. The flaw does not affect the GlobalProtect app on iOS, Android, or Chrome OS platforms. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
An unauthenticated attacker with man-in-the-middle capabilities can intercept and modify application communications in the affected GlobalProtect app versions. However, the VPN tunnel traffic remains secure and unaffected by this vulnerability. This could lead to partial compromise of data integrity or confidentiality within the app communications but does not compromise the VPN tunnel itself.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time. Users should monitor Palo Alto Networks advisories for updates and apply patches promptly once available.
CVE-2026-0296: CWE-295 Improper Certificate Validation in Palo Alto Networks GlobalProtect App
Description
CVE-2026-0296 is an improper certificate validation vulnerability in the Palo Alto Networks GlobalProtect app versions 6.0.0, 6.2.0, and 6.3.0. This flaw allows an unauthenticated attacker with man-in-the-middle access to intercept and modify application communications, though VPN tunnel traffic remains unaffected. The vulnerability does not impact the GlobalProtect app on iOS, Android, or Chrome OS. The CVSS score is 4.5, indicating a medium severity issue.
CVSS v4.0
Score 4.5medium
Affected software
cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.3:*:*:*:*:Linux:*:*cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.2:*:*:*:*:Linux:*:*cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.1:*:*:*:*:Linux:*:*cpe:2.3:a:palo_alto_networks:globalprotect_app:6.3.0:*:*:*:*:Linux:*:*cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.9:*:*:*:*:Linux:*:*cpe:2.3:a:palo_alto_networks:globalprotect_app:6.2.8-c982:*:*:*:*:Linux:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-0296 involves improper certificate validation in the Palo Alto Networks GlobalProtect app, specifically affecting versions 6.0.0, 6.2.0, and 6.3.0. This weakness enables an unauthenticated attacker who can perform man-in-the-middle attacks to intercept and alter communications within the application. Importantly, the VPN tunnel traffic itself is not impacted by this vulnerability. The flaw does not affect the GlobalProtect app on iOS, Android, or Chrome OS platforms. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
An unauthenticated attacker with man-in-the-middle capabilities can intercept and modify application communications in the affected GlobalProtect app versions. However, the VPN tunnel traffic remains secure and unaffected by this vulnerability. This could lead to partial compromise of data integrity or confidentiality within the app communications but does not compromise the VPN tunnel itself.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time. Users should monitor Palo Alto Networks advisories for updates and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- palo_alto
- Date Reserved
- 2025-11-03T20:44:53.961Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7d2ee9bf8831d5398db882
Added to database: 08/13/2026, 02:41:45 UTC
Last enriched: 08/13/2026, 03:00:48 UTC
Last updated: 08/13/2026, 03:01:07 UTC
Views: 4
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