CVE-2026-0317 PAN-OS: Denial of Service Vulnerability
An authenticated read-only administrator can cause a denial of service in PAN-OS via a crafted API request, affecting firewall management availability.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0317?
CVE-2026-0317 is a low-severity denial of service vulnerability in Palo Alto Networks Cloud NGFW, published on 14 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-754
Which versions are affected by CVE-2026-0317?
How do I fix CVE-2026-0317?
No fix has been published for CVE-2026-0317 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-0317 being exploited?
There is no known exploitation of CVE-2026-0317 in the wild and no public exploit code.
Sources
Also known as GHSA-2vcf-3mgj-78hr.