ZDI-CAN-10401: Veeam ONE HandshakeResult Deserialization of Untrusted Data Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Veeam ONE. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HandshakeResult method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account.

Affected Software

1 affected component
VEEAM ONE

Event History

Feb 23, 2026
Advisory Published
via ZDI·06:25 PM
Data Sourced
via ZDI·06:25 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-10401?

ZDI-CAN-10401 has a critical severity rating as it allows remote code execution without authentication.

2

How do I fix ZDI-CAN-10401?

To remediate ZDI-CAN-10401, apply the latest security patches provided by Veeam for Veeam ONE.

3

What type of attacks can ZDI-CAN-10401 facilitate?

ZDI-CAN-10401 enables remote attackers to execute arbitrary code on the affected systems.

4

Is authentication required to exploit ZDI-CAN-10401?

No, authentication is not required to exploit ZDI-CAN-10401, making it particularly dangerous.

5

Which software is affected by ZDI-CAN-10401?

The affected software for ZDI-CAN-10401 is Veeam ONE.

Contact

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