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CVE-2026-0257
CRITICAL
CISA KEV
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.
Published: May 13, 2026
Modified: Jun 1, 2026
CWE-565
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products (161)
| Vendor | Product | Version |
|---|---|---|
| paloaltonetworks | pan-os | * < 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.7 |
| paloaltonetworks | pan-os | 10.2.8 |
| paloaltonetworks | pan-os | 10.2.9 |
| paloaltonetworks | pan-os | 10.2.10 |
| paloaltonetworks | pan-os | 10.2.10 |
| paloaltonetworks | pan-os | 10.2.10 |
| paloaltonetworks | pan-os | 10.2.10 |
| paloaltonetworks | pan-os | 10.2.10 |
…and 141 more
GitHub Security Advisory GHSA-jqxw-84hx-6qj5
Authentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto...
References (2)
- https://security.paloaltonetworks.com/CVE-2026-0257 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-0257 US Government Resource
Risk Scores
CVSS Score
9.1 / 10
EPSS Score
36.34%
Top 3% most likely to be exploited
Threat Score
77.3 / 100
CISA Known Exploited
Date Added:
2026-05-29
Due Date:
2026-06-01
Required Action:
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Data Sources
NVD
CISA KEV
EPSS
GitHub