{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-50627", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-06-05T10:36:46.172Z", "datePublished": "2026-06-12T08:55:41.657Z", "dateUpdated": "2026-06-12T09:28:01.443Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.cxf:cxf-rt-rs-security-oauth2", "product": "Apache CXF", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "4.2.2", "status": "affected", "version": "4.2.0", "versionType": "semver"}, {"lessThan": "4.1.7", "status": "affected", "version": "0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Guanping Zhang reported this vulnerability."}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The JwtAccessTokenValidator class in Apache CXF fails to validate the 'aud' (Audience) claims of incoming JWT access tokens. This allows a JWT issued for one Resource Server to be successfully replayed against a completely different Resource Server, leading to Token Confusion/Routing attacks.&nbsp;Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.<br>"}], "value": "The JwtAccessTokenValidator class in Apache CXF fails to validate the 'aud' (Audience) claims of incoming JWT access tokens. This allows a JWT issued for one Resource Server to be successfully replayed against a completely different Resource Server, leading to Token Confusion/Routing attacks.\u00a0Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-289", "description": "CWE-289 Authentication Bypass by Alternate Name", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-06-12T08:55:41.657Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/0jfzz9q992957b99tw7hodcqjfyxwb1m"}], "source": {"discovery": "UNKNOWN"}, "title": "Apache CXF: OAuth2: Missing JWT Audience and Issuer Validation in Access Token Validator", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/06/11/4"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-06-12T09:28:01.443Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The JwtAccessTokenValidator class in Apache CXF fails to validate the 'aud' (Audience) claims of incoming JWT access tokens. This allows a JWT issued for one Resource Server to be successfully replayed against a completely different Resource Server, leading to Token Confusion/Routing attacks.\u00a0Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue."}], "id": "CVE-2026-50627", "lastModified": "2026-06-12T13:08:47.310", "metrics": {}, "published": "2026-06-12T10:16:22.587", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/0jfzz9q992957b99tw7hodcqjfyxwb1m"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/06/11/4"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-289"}], "source": "security@apache.org", "type": "Primary"}]}

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