CVE-2026-0257

Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
95.6%
EPSS
100%
Percentile
Yes
Known exploited
1
APAC news · 90d
Summary

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

Vendor
Palo Alto Networks
Product
PAN-OS
Added to KEV
May 29, 2026
Remediation due
Jun 1, 2026 (US federal deadline)
Ransomware use
Known
Weakness
CWE-565
EPSS
95.6% as of Nov 12
In the news · last mention Nov 10
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded