CVE-2026-64633 Code injection in ONE

Critical 10.0 Published Updated

Remote unauthenticated attackers can execute arbitrary code on the Veeam ONE agent host, requiring immediate patching.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-64633?

CVE-2026-64633 is a critical code injection vulnerability in Veeam ONE, published on 4 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability allowing remote unauthenticated code execution on the agent host.

Weakness: CWE-94

Which versions are affected by CVE-2026-64633?

How do I fix CVE-2026-64633?

No fix has been published for CVE-2026-64633 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-64633 being exploited?

There is no known exploitation of CVE-2026-64633 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-xw3v-hx8p-r8v7.

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