Security Advisory

CVE-2026-105206

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-10-04 13:10:01

Last updated 2026-10-05 14:14:18

Assigner VulnCheck

CVSS score 5.3

State PUBLISHED

Description

ZITADEL 3.0.0 through 3.4.15 and 4.x before 4.17.3 contains an incorrect authorization flaw in the User Service API, which verifies user.read against the caller's organization rather than the organization owning the target user. An authenticated member holding org-scoped user.read can query GET /v2/users/{userId}/authentication_methods to learn which authentication method types users in other organizations have registered.

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