Multiple Improper Certificate Validation Vulnerabilities in Palo Alto Networks GlobalProtect App
CVE-2026-0249

4.9MEDIUM

Key Information:

Vendor

Palo Alto Networks
Status
Globalprotect App
Vendor
CVE Published:
13 May 2026

Badges

👾 Exploit Exists

What is CVE-2026-0249?

The GlobalProtect app from Palo Alto Networks is exposed to vulnerabilities stemming from multiple improper certificate validation checks. These flaws could allow an attacker to intercept encrypted communications, raising the risk for local non-administrative users or malicious actors on the same subnet. By exploiting these vulnerabilities, an attacker may redirect traffic to unauthorized servers, creating potential pathways for the installation of malicious software and compromising the integrity of endpoints.

Affected Version(s)

GlobalProtect App Android 6.1.0 < 6.1.13

GlobalProtect App Android 6.0.0 < 6.0.14

GlobalProtect App macOS 6.3.0 < 6.3.3-h9 (6.3.3-999)

References

https://security.paloaltonetworks.com/CVE-2026-0249
vendor-advisory

CVSS V4

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Palo Alto Networks thanks Kakao Corp. Service Security Team and our internal security research teams for discovering and reporting this issue.
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