{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55672", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-17T00:05:03.778Z", "datePublished": "2026-07-10T17:19:05.266Z", "dateUpdated": "2026-07-10T18:38:10.755Z"}, "containers": {"cna": {"title": "ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)", "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "lang": "en", "description": "CWE-287: Improper Authentication", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/zitadel/zitadel/security/advisories/GHSA-xqxv-4jc2-x56x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/zitadel/zitadel/security/advisories/GHSA-xqxv-4jc2-x56x"}, {"name": "https://github.com/zitadel/zitadel/commit/562403079a98cf2059cdac11865a45e2f285be71", "tags": ["x_refsource_MISC"], "url": "https://github.com/zitadel/zitadel/commit/562403079a98cf2059cdac11865a45e2f285be71"}, {"name": "https://github.com/zitadel/zitadel/commit/5b1708e0e650398f0ebc3341714f0798b0118917", "tags": ["x_refsource_MISC"], "url": "https://github.com/zitadel/zitadel/commit/5b1708e0e650398f0ebc3341714f0798b0118917"}, {"name": "https://github.com/zitadel/zitadel/releases/tag/v3.4.12", "tags": ["x_refsource_MISC"], "url": "https://github.com/zitadel/zitadel/releases/tag/v3.4.12"}, {"name": "https://github.com/zitadel/zitadel/releases/tag/v4.15.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/zitadel/zitadel/releases/tag/v4.15.2"}], "affected": [{"vendor": "zitadel", "product": "zitadel", "versions": [{"version": ">= 4.0.0-rc.1, < 4.15.2", "status": "affected"}, {"version": "< 3.4.12", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-10T17:19:05.266Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-xqxv-4jc2-x56x", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-10T18:38:05.489144Z", "id": "CVE-2026-55672", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-10T18:38:10.755Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-55672", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-10T18:38:05.489144Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-10T18:38:07.881Z"}}], "cna": {"title": "ZITADEL: Missing client_id binding in OIDC authorization code exchange and refresh token flows (RFC 6749 Section 4.1.3 violation)", "source": {"advisory": "GHSA-xqxv-4jc2-x56x", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "zitadel", "product": "zitadel", "versions": [{"status": "affected", "version": ">= 4.0.0-rc.1, < 4.15.2"}, {"status": "affected", "version": "< 3.4.12"}]}], "references": [{"url": "https://github.com/zitadel/zitadel/security/advisories/GHSA-xqxv-4jc2-x56x", "name": "https://github.com/zitadel/zitadel/security/advisories/GHSA-xqxv-4jc2-x56x", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/zitadel/zitadel/commit/562403079a98cf2059cdac11865a45e2f285be71", "name": "https://github.com/zitadel/zitadel/commit/562403079a98cf2059cdac11865a45e2f285be71", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/zitadel/zitadel/commit/5b1708e0e650398f0ebc3341714f0798b0118917", "name": "https://github.com/zitadel/zitadel/commit/5b1708e0e650398f0ebc3341714f0798b0118917", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/zitadel/zitadel/releases/tag/v3.4.12", "name": "https://github.com/zitadel/zitadel/releases/tag/v3.4.12", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/zitadel/zitadel/releases/tag/v4.15.2", "name": "https://github.com/zitadel/zitadel/releases/tag/v4.15.2", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287: Improper Authentication"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-10T17:19:05.266Z"}}}, "cveMetadata": {"cveId": "CVE-2026-55672", "state": "PUBLISHED", "dateUpdated": "2026-07-10T18:38:10.755Z", "dateReserved": "2026-06-17T00:05:03.778Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-10T17:19:05.266Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0-rc.1,4.15.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.4.12)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "zitadel", "source": "cna", "vendor": "zitadel"}, "product": "zitadel", "vendor": "zitadel"}], "created": "2026-07-10T19:30:04.402472+00:00", "updated": "2026-07-10T19:30:04.402493+00:00", "vendors": ["zitadel", "zitadel$PRODUCT$zitadel"]}