Live › vulnerability › CVE-2026-0257
Go to dashboardPalo Alto Networks PAN-OS, the firewall and VPN operating system, has an authentication bypass that lets an attacker establish an unauthorized VPN connection into the network. CISA lists it as actively exploited in the wild and tagged with ransomware use.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Palo Alto Networks PAN-OS | vendor | – | – |
| paloaltonetworks pan-os | vendor | < 10.2.7 | 10.2.7 |
| paloaltonetworks pan-os | vendor | = 10.2.7 | – |
| paloaltonetworks pan-os | vendor | = 10.2.8 | – |
| paloaltonetworks pan-os | vendor | = 10.2.9 | – |
| paloaltonetworks pan-os |
| vendor |
| = 10.2.10 |
| – |
| paloaltonetworks pan-os | vendor | = 10.2.11 | – |
| paloaltonetworks pan-os | vendor | = 10.2.12 | – |
| paloaltonetworks pan-os | vendor | = 10.2.13 | – |
| paloaltonetworks pan-os | vendor | = 10.2.14 | – |
| paloaltonetworks pan-os | vendor | = 10.2.15 | – |
| paloaltonetworks pan-os | vendor | = 10.2.16 | – |
| paloaltonetworks pan-os | vendor | = 10.2.17 | – |
| paloaltonetworks pan-os | vendor | = 10.2.18 | – |
| paloaltonetworks pan-os | vendor | = 11.1.0 | – |
| paloaltonetworks pan-os | vendor | = 11.1.1 | – |
| paloaltonetworks pan-os | vendor | = 11.1.2 | – |
| paloaltonetworks pan-os | vendor | = 11.1.3 | – |
| paloaltonetworks pan-os | vendor | = 11.1.4 | – |
| paloaltonetworks pan-os | vendor | = 11.1.5 | – |
| paloaltonetworks pan-os | vendor | = 11.1.6 | – |
| paloaltonetworks pan-os | vendor | = 11.1.7 | – |
| paloaltonetworks pan-os | vendor | = 11.1.8 | – |
| paloaltonetworks pan-os | vendor | = 11.1.9 | – |
| paloaltonetworks pan-os | vendor | = 11.1.10 | – |
| paloaltonetworks pan-os | vendor | = 11.1.11 | – |
| paloaltonetworks pan-os | vendor | = 11.1.12 | – |
| paloaltonetworks pan-os | vendor | = 11.1.13 | – |
| paloaltonetworks pan-os | vendor | = 11.1.14 | – |
| paloaltonetworks pan-os | vendor | = 11.2.0 | – |
| paloaltonetworks pan-os | vendor | = 11.2.1 | – |
| paloaltonetworks pan-os | vendor | = 11.2.2 | – |
| paloaltonetworks pan-os | vendor | = 11.2.3 | – |
| paloaltonetworks pan-os | vendor | = 11.2.4 | – |
| paloaltonetworks pan-os | vendor | = 11.2.5 | – |
| paloaltonetworks pan-os | vendor | = 11.2.6 | – |
| paloaltonetworks pan-os | vendor | = 11.2.7 | – |
| paloaltonetworks pan-os | vendor | = 11.2.8 | – |
| paloaltonetworks pan-os | vendor | = 11.2.9 | – |
| paloaltonetworks pan-os | vendor | = 11.2.10 | – |
| paloaltonetworks pan-os | vendor | = 11.2.11 | – |
Unknown from the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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