Description
ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive provider account with a victim email address to be linked to the victim's local account. This issue is fixed in version 4.15.3.
Published: 2026-07-10
Score: 4.8 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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History

Fri, 10 Jul 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Zitadel
Zitadel zitadel
Vendors & Products Zitadel
Zitadel zitadel

Fri, 10 Jul 2026 18:00:00 +0000

Type Values Removed Values Added
Description ZITADEL is an open source identity management platform. Prior to 4.15.3, ZITADEL's external identity provider handler checks that the local user's email is verified but does not verify that the external IdP confirmed ownership of the same email before auto-linking by email, allowing a permissive provider account with a victim email address to be linked to the victim's local account. This issue is fixed in version 4.15.3.
Title ZITADEL: Auto-linking by email: IdP-side email verification is not checked
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

Subscriptions

Zitadel Zitadel
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-07-10T17:37:37.137Z

Reserved: 2026-06-22T16:39:01.043Z

Link: CVE-2026-56666

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-10T19:30:04Z

Weaknesses