CVE-2026-0257
PAN-OS: GlobalProtect Authentication Bypass Vulnerabilities
- State
- Published
- Severity
- 7.8 High
- Published
- May 13, 2026
- Updated
- Oct 15, 2026
- Reserved
- Nov 3, 2025
Description
Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection.
Panorama and Cloud NGFW are not impacted by these issues.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:A/AU:N/R:A/V:D/RE:M/U:Red | palo_alto |
Weaknesses
- CWE-565 Reliance on Cookies without Validation and Integrity Checking
Affected Products
| Product | Versions |
|---|---|
Cloud NGFWPalo Alto Networks |
|
PAN-OSPalo Alto Networks |
|
Prisma AccessPalo Alto Networks |
|
References
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