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CVE-2026-0227 - Cloud NGFW Plugin

CVE-2026-0227

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.

CVE-2026-0227

MEDIUM CVSS 6.6 Published 2026-01-15 Updated 2026-02-06
AI Risk Elevated (63/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P3 Priority
Severity Band MEDIUM
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:M/U:Amber
Affected Components 3
Reference Links 1
AI Risk Engine Elevated (63/100)
Exploitability Medium
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-01-15 CVE published and first recorded in the threat feed.
  2. 2026-02-06 Record updated with latest vulnerability metadata.
  3. 2026-04-09 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 16 days ago

AI enriched 16 days ago (2026-04-09 08:08 UTC)

Technical Summary

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.

Potential Impact

Severity is MEDIUM (CVSS 6.6). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Medium based on low-bar exploit prerequisites.

Primary risk drivers: low-bar exploit prerequisites

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Cloud NGFW PLUGIN · cloud-ngfw Affected: >= 12.1.2, < 10.1.14-h20 Fixed in: 10.1.14-h20
PAN-OS PLUGIN · pan-os Affected: >= 12.1.2, < 10.1.14-h20 Fixed in: 10.1.14-h20
Prisma Access PLUGIN · prisma-access Affected: >= 11.2, < 10.2.10-h2910.2.4-h43 Fixed in: 10.2.4-h43
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