Description
A vulnerability allowing an attacker with valid Administrator credentials to bypass multi-factor authentication by disabling it globally before completing MFA verification.
Published: 2026-10-27
Score: 8.5 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
Link Providers
https://www.veeam.com/kb4951 cve-icon cve-icon
History

Tue, 27 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
Title Administrator Credential Exploit Enables MFA Bypass by Disabling Global Two‑Factor Authentication

Tue, 27 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Veeam
Veeam one
Vendors & Products Veeam
Veeam one

Tue, 27 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description A vulnerability allowing an attacker with valid Administrator credentials to bypass multi-factor authentication by disabling it globally before completing MFA verification.
Weaknesses CWE-288
References
Metrics cvssV4_0

{'score': 8.5, 'vector': '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'}

Subscriptions

Veeam One
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-10-27T16:16:58.921Z

Reserved: 2026-10-08T15:00:00.795Z

Link: CVE-2026-107671

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-27T17:16:56.920

Modified: 2026-10-27T17:16:56.920

Link: CVE-2026-107671

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T18:00:08Z

Weaknesses
  • CWE-288

    Authentication Bypass Using an Alternate Path or Channel