CVE-2026-55672

HighCVSS 7.4/10Last modified Jul 10, 2026

Description

ZITADEL is an open source identity management platform. Prior to 3.4.12 and 4.15.2, ZITADEL's OAuth2 and OIDC CodeExchange, RefreshToken, and device token flows fail to verify that the requesting client matches the client that initiated the authorization flow, allowing intercepted grants or refresh tokens to be exchanged under a different client. This issue is fixed in versions 3.4.12 and 4.15.2.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-287 CWE-863

Affected software

No affected versions have been published.

Timeline

Published: Jul 10, 2026
Last modified: Jul 10, 2026
NVD status: Deferred

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