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

Read the record on cve.org

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

CVSSScoreVectorSource
4.07.8 HighCVSS: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:Redpalo_alto

Weaknesses

  • CWE-565 Reliance on Cookies without Validation and Integrity Checking

Affected Products

ProductVersions
Cloud NGFWPalo Alto Networks
  • AllNot affected
PAN-OSPalo Alto Networks
  • 12.1.0 to before 12.1.7, 12.1.4-h6Affectedfrom 12.1.7Not affectedfrom 12.1.4-h6Not affected
  • 11.2.0 to before 11.2.12, 11.2.10-h7, 11.2.7-h14, 11.2.4-h17Affectedfrom 11.2.12Not affectedfrom 11.2.10-h7Not affectedfrom 11.2.7-h14Not affectedfrom 11.2.4-h17Not affected
  • 11.1.0 to before 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33Affectedfrom 11.1.15Not affectedfrom 11.1.13-h5Not affectedfrom 11.1.10-h25Not affectedfrom 11.1.7-h6Not affectedfrom 11.1.6-h32Not affectedfrom 11.1.4-h33Not affected
  • 10.2.0 to before 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34Affectedfrom 10.2.18-h6Not affectedfrom 10.2.16-h7Not affectedfrom 10.2.13-h21Not affectedfrom 10.2.10-h36Not affectedfrom 10.2.7-h34Not affected
Prisma AccessPalo Alto Networks
  • 10.2.0 to before 10.2.10-h36Affectedfrom 10.2.10-h36Not affected
  • 11.2.0 to before 11.2.7-h13Affectedfrom 11.2.7-h13Not affected

References

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