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Pan Os CVE-2026-0227

HIGH
Improper Check for Unusual or Exceptional Conditions (CWE-754)
2026-01-15 psirt@paloaltonetworks.com
Denial Of Service Paloalto Pan Os Prisma Access
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 15, 2026 - 19:16 nvd
HIGH 7.5

DescriptionNVD

A vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to cause a denial of service (DoS) to the firewall. Repeated attempts to trigger this issue results in the firewall entering into maintenance mode.

AnalysisAI

Unauthenticated remote attackers can crash Palo Alto Networks PAN-OS firewalls through repeated requests, forcing the devices into maintenance mode and causing denial of service. This vulnerability affects Palo Alto firewalls and Prisma Access deployments with no available patch, creating ongoing operational risk. …

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RemediationAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

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CVE-2026-0227 vulnerability details – vuln.today
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