CVE-2026-0257
KEVPalo Alto Networks PAN-OS Authentication Bypass Vulnerability
7.8
HighPublished:
Last updated:
Source:psirt@paloaltonetworks.com
Analyzed
Weakness (CWE)
CVSS Vector
v4.0- Attack Vector
- Network
- Attack Complexity
- Low
- Attack Requirements
- None
- Privileges Required
- None
- User Interaction
- None
- Confidentiality (Vulnerable)
- Low
- Integrity (Vulnerable)
- None
- Availability (Vulnerable)
- None
- Confidentiality (Subsequent)
- High
- Integrity (Subsequent)
- High
- Availability (Subsequent)
- None
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.
References
psirt@paloaltonetworks.com
https://security.paloaltonetworks.com/CVE-2026-02570b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-967325.html134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-0257