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Warning: Critical Veeam ONE Authentication Bypass Vulnerability, Patch Immediately!

ID: 8583067e-cfee-59f1-a91a-863eabc65fda

STIX ID: report--8583067e-cfee-59f1-a91a-863eabc65fda

Feed Name: Centre for Cybersecurity Belgium Advisories Feed

Threat Score
90/100

Date Published: 2026-08-27

Date Updated: 2026-08-27

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Veeam ONE versions 13.1.0.7034 and earlier 13.x builds are affected by CVE-2026-65641, a critical (CVSS v4.0 9.3) authentication bypass that allows unauthenticated remote attackers to coerce SMB authentication from the Veeam ONE service account; organisations are advised to urgently apply vendor updates, monitor for unexpected SMB authentication attempts, and report intrusions to the Centre for Cybersecurity Belgium.

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