Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Paloaltonetworks | Pan-Os | < 10.2.7 |
| Paloaltonetworks | Prisma Access | - |
| Siemens | Ruggedcom Ape1808 Firmware | - |
| Siemens | Ruggedcom Ape1808 | - |
Related Weaknesses (CWE)
References
- https://security.paloaltonetworks.com/CVE-2026-0257Vendor Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-967325.htmlThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-US Government Resource
FAQ
What is CVE-2026-0257?
CVE-2026-0257 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 V...
How severe is CVE-2026-0257?
CVE-2026-0257 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-0257?
Check the references section above for vendor advisories and patch information. Affected products include: Paloaltonetworks Pan-Os, Paloaltonetworks Prisma Access, Siemens Ruggedcom Ape1808 Firmware, Siemens Ruggedcom Ape1808.