Improper Enforcement of Behavioral Workflow in ONE - CVE-2026-107671
Published: October 30, 2026
Vulnerability identifier: #VU158559
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-107671
CWE-ID: CWE-841
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to bypass multi-factor authentication and disable it globally.
The vulnerability exists due to improper enforcement of the authentication workflow in Veeam ONE's multi-factor authentication controls when processing global configuration changes before MFA verification is complete. A remote privileged user can use valid Administrator credentials to disable multi-factor authentication globally before completing verification to bypass the additional authentication requirement.
Affected software
ONE
How to mitigate CVE-2026-107671
Install security update from vendor's website.
ONE - update to 13.1.0.7940