This issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).
Cloud NGFW and Prisma® Access are not impacted by this vulnerability."}]}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0256","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","version":"4.0","baseSeverity":"MEDIUM","baseScore":4.4,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"}}],"configurations":[{"lang":"eng","value":"No special configuration is required to be affected by this issue.","supportingMedia":[{"type":"text/html","base64":false,"value":"No special configuration is required to be affected by this issue."}]}],"workarounds":[{"lang":"eng","value":"Customers with a Threat Prevention subscription can block attacks for this vulnerability by enabling Threat ID 510020 (from Applications and Threats content version 9100-10044 and later).\n\n\nFor these Threat IDs to protect against attacks for this vulnerability:\n\n\n\n * Route incoming traffic for the MGT port through a DP port (https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices#id59206398-3dab-4b2f-9b4b-7ea500d036ba), e.g., enabling management profile on a DP interface for management access.\n * Replace the Certificate for Inbound Traffic Management (https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices#id112f7714-8995-4496-bbf9-781e63dec71c).\n * Decrypt inbound traffic to the management interface (https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices#idbbd82587-17a2-42b4-9245-d3714e1e13a2) so the firewall can inspect it (https://docs.paloaltonetworks.com/best-practices/10-1/administrative-access-best-practices/administrative-access-best-practices/deploy-administrative-access-best-practices#idbbd82587-17a2-42b4-9245-d3714e1e13a2).\n * Enable threat prevention on the inbound traffic to management services.","supportingMedia":[{"type":"text/html","base64":false,"value":"Customers with a Threat Prevention subscription can block attacks for this vulnerability by enabling Threat ID 510020 (from Applications and Threats content version 9100-10044 and later).For these Threat IDs to protect against attacks for this vulnerability:
| Version | Minor Version Range | Suggested Solution |
|---|---|---|
| Cloud NGFW | No action needed. | |
| PAN-OS 12.1 | 12.1.5 through 12.1.6 | Upgrade to 12.1.7 or later. |
| 12.1.2 through 12.1.4-h* | Upgrade to 12.1.4-h5 or 12.1.7 or later. | |
| PAN-OS 11.2 | 11.2.11 or later | Upgrade to 11.2.12 or later. |
| 11.2.8 through 11.2.10-h* | Upgrade to 11.2.10-h6 or 11.2.12 or later. | |
| 11.2.5 through 11.2.7-h* | Upgrade to 11.2.7-h13 or 11.2.12 or later. | |
| 11.2.0 through 11.2.4-h* | Upgrade to 11.2.4-h17 or 11.2.12 or later. | |
| PAN-OS 11.1 | 11.1.14 or later | Upgrade to 11.1.15 or later. |
| 11.1.11 through 11.1.13-h* | Upgrade to 11.1.13-h5 or 11.1.15 or later. | |
| 11.1.8 through 11.1.10-h* | Upgrade to 11.1.10-h25 or 11.1.15 or later. | |
| 11.1.7 through 11.1.7-h* | Upgrade to 11.1.7-h6 or 11.1.15 or later. | |
| 11.1.5 through 11.1.6-h* | Upgrade to 11.1.6-h32 or 11.1.15 or later. | |
| 11.1.0 through 11.1.4-h* | Upgrade to 11.1.4-h33 or 11.1.15 or later. | |
| PAN-OS 10.2 | 10.2.17 through 10.2.18-h* | Upgrade to 10.2.18-h6 or later. |
| 10.2.14 through 10.2.16-h* | Upgrade to 10.2.16-h7 or 10.2.18-h6 or later. | |
| 10.2.11 through 10.2.13-h* | Upgrade to 10.2.13-h21 or 10.2.18-h6 or later. | |
| 10.2.8 through 10.2.10-h* | Upgrade to 10.2.10-h36 or 10.2.18-h6 or later. | |
| 10.2.0 through 10.2.7-h* | Upgrade to 10.2.7-h34 or 10.2.18-h6 or later. | |
| All older unsupported PAN-OS versions | Upgrade to a supported fixed version. | |
| Prisma Access | No action needed. |