Palo Alto PAN-OS Management Web Interface input validation

Summaryinfo

A vulnerability, which was classified as critical, has been found in Palo Alto PAN-OS. This impacts an unknown function of the component Management Web Interface. This manipulation causes input validation. This vulnerability is tracked as CVE-2026-0282. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Palo Alto PAN-OS (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Management Web Interface. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A file deletion vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web interface to delete files from a temporary directory. The security risk posed by this issue is 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 . 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.

It is possible to read the advisory at security.paloaltonetworks.com. This vulnerability is known as CVE-2026-0282 since 11/03/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/09/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-42679). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• Palo Alto

Name

• PAN-OS

License

• commercial

Website

• Vendor: https://www.paloaltonetworks.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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