CVE-2026-0257: listed in the CISA KEV catalog

CVE-2026-0257 · EPSS 94% · KEV 2026-05-29

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.

Is CVE-2026-0257 exploited?

• Listed in the CISA KEV catalog on 2026-05-29.
• Federal remediation due 2026-06-01.
• Past that date by 75 days.
• EPSS puts exploitation in the next 30 days at 94%.
• Public exploit code: none found in monitored sources.
• Public detection rules exist.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2026-0257

• Edge Appliances Become Ransomware’s Preferred Front Door (2026-07-25)
• GlobalProtect Auth Bypass Now Opens the Inside (2026-07-22)

Primary sources

• NVD record
• CISA KEV catalog
• Nuclei template

What this record does not say

• No CVSS score from NVD.
• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.