CVE-2026-55672
High · 7.4CVSS
7.4
EPSS
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Published
Jul 10, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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