Palo Alto Networks PAN-OS
YES - ON THE CISA KEV LIST
CVE-2026-0257
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
163 days past due
Palo Alto Networks: 16 entries (0.9% of all KEV entries are from this vendor); 3 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
Palo Alto Networks PAN-OS contains an authentication bypass vulnerability that allows attackers to bypass security restrictions and establish an unauthorized VPN connection.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://security.paloaltonetworks.com/CVE-2026-0257 ; https://nvd.nist.gov/vuln/detail/CVE-2026-0257
References
Other KEV entries for this vendor: Palo Alto Networks
- CVE-2026-0322 - PAN-OS (2026-10-14)
- CVE-2026-0300 - PAN-OS (2026-05-06)
- CVE-2025-0111 - PAN-OS (2025-02-20)
- CVE-2025-0108 - PAN-OS (2025-02-18)
- CVE-2024-3393 - PAN-OS (2024-12-30)
- CVE-2024-9474 - PAN-OS (2024-11-18)
- CVE-2024-0012 - PAN-OS (2024-11-18)
- CVE-2024-9465 - Expedition (2024-11-14)
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