Vulnerability in Palo Alto Networks Cloud Ngfw

CVE-2026-0287

Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode. Panorama is not impacted by these vulnerabilities.

EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-0287?
CVE-2026-0287 is a high-severity vulnerability in Palo Alto Networks Cloud Ngfw, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2026-07-09.
How severe is CVE-2026-0287?
High severity. CVSS v3 base score is 7.5 out of 10.