CVE-2026-55672

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.

CVSS v3 7.4 HIGH

7.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/zitadel/zitadel/commit/562403079a98cf2059cdac11865a45e2f285be71
https://github.com/zitadel/zitadel/commit/5b1708e0e650398f0ebc3341714f0798b0118917
https://github.com/zitadel/zitadel/releases/tag/v3.4.12
https://github.com/zitadel/zitadel/releases/tag/v4.15.2
https://github.com/zitadel/zitadel/security/advisories/GHSA-xqxv-4jc2-x56x

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-10 18:16

Updated : 2026-07-10 19:17

NVD link : CVE-2026-55672

Mitre link : CVE-2026-55672

CVE.ORG link : CVE-2026-55672

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

CWE-863

Incorrect Authorization

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