Palo Alto PAN-OS < 12.1.7 GlobalProtect Authentication Bypass

high Web App Scanning Plugin ID 115260

Synopsis

Palo Alto PAN-OS < 12.1.7 GlobalProtect Authentication Bypass

Description

Palo Alto PAN-OS versions 10.2.x < 10.2.18-h6 / 11.1.x < 11.1.15 / 11.2.x < 11.2.12 / 12.1.x < 12.1.7 is affected by an authentication bypass vulnerabilities in the GlobalProtect portal and gateway allowing an attacker to bypass security restrictions and establish an unauthorized VPN connection.

Solution

Upgrade to Palo Alto PAN-OS version 10.2.18-h6 or 11.1.15 or 11.2.12 or 12.1.7 or later.

See Also

https://security.paloaltonetworks.com/CVE-2026-0257

Plugin Details

Severity: High

ID: 115260

Type: Check Based

Published: 6/4/2026

Updated: 6/4/2026

Scan Template: basic, full, pci, scan

Risk Information

VPR

Risk Factor: High

Score: 8.3

CVSS v2

Risk Factor: High

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

CVSS Score Source: CVE-2026-0257

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS Score Source: CVE-2026-0257

CVSS v4

Risk Factor: High

Base Score: 7.8

Vector: 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

CVSS Score Source: CVE-2026-0257

Vulnerability Information

CPE: cpe:2.3:a:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/29/2025

Vulnerability Publication Date: 4/29/2026

CISA Known Exploited Vulnerability Due Dates: 6/1/2026

Reference Information

CVE: CVE-2026-0257