[NEW] [high] Veeam ONE: Vulnerability enables Security Bypass

CSIRTS triage

What

A remote, anonymous attacker can bypass security measures in Veeam ONE.

Who is affected

All Veeam ONE installations exposed to the network.

Urgency

High priority; remote unauthenticated security bypass can lead to unauthorized access and control.

Action

Apply the security patch for Veeam ONE addressing CVE-2026-65641.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-08-26

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3008

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• unknownCVE-2026-65641: A vulnerability allowing an unauthenticated network attacker to coerce SMB authentication from…nvd
• unknownMultiple vulnerabilities in Veeam products (August 26, 2026)cert-fr-avis

Recent advisories for Veeam ONE

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• high[NEW] [high] Veeam ONE: Multiple Vulnerabilitiescert-bund · 2026-08-26
• unknownNCSC-2026-0283 [1.00] [M/H] Vulnerabilities in Veeam ONEncsc-nl · 2026-08-11

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