Improper certificate validation vulnerabilities in Palo Alto Networks GlobalProtect™ app enable an unauthenticated attacker with man-in-the-middle… (CVE-2026-0296)
Improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect app allow an unauthenticated attacker with man-in-the-middle access to intercept and modify application communications. This issue does not affect VPN tunnel traffic. The GlobalProtect app on iOS, Android, and Chrome OS is not impacted.
AI Analysis
Technical Summary
CVE-2026-0296 describes improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect app. These flaws enable an unauthenticated attacker positioned as a man-in-the-middle to intercept and alter communications within the application. Importantly, the VPN tunnel traffic remains secure and unaffected by this vulnerability. The issue is limited to certain platforms, as the GlobalProtect app on iOS, Android, and Chrome OS is not vulnerable.
Potential Impact
An attacker with man-in-the-middle capabilities can intercept and modify application-level communications in affected versions of the GlobalProtect app. However, the VPN tunnel traffic itself is not impacted, limiting the scope of potential data exposure or manipulation to the application communication layer only.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Users should monitor Palo Alto Networks advisories for updates and apply any forthcoming patches promptly. Since the vulnerability does not affect VPN tunnel traffic, the risk is confined to application communication interception.
Improper certificate validation vulnerabilities in Palo Alto Networks GlobalProtect™ app enable an unauthenticated attacker with man-in-the-middle… (CVE-2026-0296)
Description
Improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect app allow an unauthenticated attacker with man-in-the-middle access to intercept and modify application communications. This issue does not affect VPN tunnel traffic. The GlobalProtect app on iOS, Android, and Chrome OS is not impacted.
CVSS v4.0
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-0296 describes improper certificate validation vulnerabilities in the Palo Alto Networks GlobalProtect app. These flaws enable an unauthenticated attacker positioned as a man-in-the-middle to intercept and alter communications within the application. Importantly, the VPN tunnel traffic remains secure and unaffected by this vulnerability. The issue is limited to certain platforms, as the GlobalProtect app on iOS, Android, and Chrome OS is not vulnerable.
Potential Impact
An attacker with man-in-the-middle capabilities can intercept and modify application-level communications in affected versions of the GlobalProtect app. However, the VPN tunnel traffic itself is not impacted, limiting the scope of potential data exposure or manipulation to the application communication layer only.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Users should monitor Palo Alto Networks advisories for updates and apply any forthcoming patches promptly. Since the vulnerability does not affect VPN tunnel traffic, the risk is confined to application communication interception.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-grg9-vqcx-frvj
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-0296"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 4.0
Threat ID: 6a7e0384bf8831d5398fac03
Added to database: 08/13/2026, 17:48:52 UTC
Last enriched: 08/13/2026, 18:20:07 UTC
Last updated: 08/13/2026, 22:40:59 UTC
Views: 4
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