CVE

CVE-2026-0257

P1⬤ KNOWN RANSOMWARE USE

Palo Alto Networks PAN-OS Authentication Bypass Vulnerability

Palo Alto Networks · PAN-OS

Date added (CISA)

2026-05-29

Remediation due

2026-06-01

Known ransomware use

Yes

Remediation priority

P1 — known ransomware use · past CISA due date

Associated with

Related to

Lazarus Group (TraderTraitor cluster) / APT38 / BlueNoroff · SPECTREcampaignCorrelated cluster2026-09-16
DysphoriacampaignCorrelated cluster2026-08-24

Description

Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.

Source: NVD ↗ · CISA KEV Catalog ↗