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CVE-2026-64633 is a critical vulnerability in Veeam ONE affecting versions up to and including 13.0.2. It allows a remote, unauthenticated attacker to execute arbitrary code on the Veeam ONE agent host over the network. The issue is classified as CWE-94 and has been assigned a CVSS v4.0 score of 10.0, reflecting network reachability, low attack complexity, no privileges required, no user interaction, and high impact across confidentiality, integrity, and availability. Publicly available information identifies the affected component as the agent host, but does not provide further detail about the specific vulnerable function or code path.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical unauthenticated remote code execution vulnerability in Veeam ONE agent host.
A remote unauthenticated code execution vulnerability affecting Veeam ONE agent host deployments up to and including version 13.0.2.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.