PAN-OS API DoS via Read-Only Admin Request
CVE-2026-0317 Published on October 14, 2026
PAN-OS: Denial of Service Vulnerability
A denial of service vulnerability in Palo Alto Networks PAN-OS software enables an authenticated user with a read-only administrator role to cause a denial of service (DoS) condition by sending a specially crafted API request.
The security risk posed by this issue is significantly minimized by restricting access to the management web interface to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 .
Cloud NGFW, Panorama, and Prisma® Access are not affected by this vulnerability.
Vulnerability Analysis
CVE-2026-0317 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Timeline
Initial publication
Weakness Type
Improper Check for Unusual or Exceptional Conditions
The software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software.
Products Associated with CVE-2026-0317
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Affected Versions
Palo Alto Networks Cloud NGFW:- Version All is unaffected.
- Version 12.2.0 and below 12.2.4 is affected.
- Version 12.1.0 and below 12.1.10-h2 is affected.
- Version 11.2.0 and below 11.2.16 is affected.
- Version 11.1.0 and below 11.1.16-h3 is affected.
- Version All and below 12.1.7-h8 is unaffected.