CVE-2026-0257 | BDVDB-2026-332841 Detail

Palo Alto NetworksCloud NGFW

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.

Impact#

CAPEC-114 Authentication Abuse

Weaknesses#

CWE-565 Reliance on Cookies without Validation and Integrity Checking

References#

Exploit#

No public exploit known

History#

Version 12026-05-13Record published in the CVE List.
Version 22026-10-15Most recent update recorded in the CVE List.

Published

Published: 2026-05-13
Last modified: 2026-10-15

Vendor information

Vendor: Palo Alto Networks
Product: Cloud NGFW

All Palo Alto Networks vulnerabilities

Score

7.8 High

EPSS

95.6%, Very High

Estimated chance of exploitation in the next 30 days. EPSS percentile: 99.9.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

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.

Affected Systems

Vulnerable
Not stated
Fixed
All

Scoring System

CVSS v4.0

7.8 High

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/E:A/AU:N/R:A/V:D/RE:M/U:Red

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).