CVE-2026-121531

MediumCVSS 6.3/10Last modified Nov 3, 2026

Description

A vulnerability has been found in Umami 3.3.x/3.4.0/3.4.1. This affects an unknown part of the file src/app/api/auth/login/route.ts of the component 2FA Policy Handler. The manipulation leads to use of single-factor authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-287 CWE-308

Affected software

No affected versions have been published.

Timeline

Published: Nov 3, 2026
Last modified: Nov 3, 2026
NVD status: Deferred

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