{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56207", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-06-19T15:49:57.313Z", "datePublished": "2026-09-09T10:36:55.238Z", "dateUpdated": "2026-09-09T11:10:45.866Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-09-09T10:36:55.238Z"}, "title": "Apache Impala: SAML authentication bypass via forged bearer token", "problemTypes": [{"descriptions": [{"description": "CWE-347 Improper Verification of Cryptographic Signature", "lang": "en", "cweId": "CWE-347", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Impala", "versions": [{"status": "affected", "version": "4.0.0", "lessThanOrEqual": "4.5.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user.\n\n\n\nThis issue affects Apache Impala: >=4.0.0.\n\n\n\nUsers are recommended to upgrade to version 4.5.2, which fixes this issue.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user.</p><p>This issue affects Apache Impala: &gt;=4.0.0.</p><p>Users are recommended to upgrade to version 4.5.2, which fixes this issue.</p>"}]}], "references": [{"url": "https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zs", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "critical"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Andrew Rukin (Arenadata)", "type": "reporter"}], "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/09/08/22"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-09-09T11:10:45.866Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache Impala", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "4.5.1", "status": "affected", "version": "4.0.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Signature of Bearer token is not verified in last step of SAML2 authentication for Impala's hs2-http interface, allowing altering user name and acting as another user.\n\n\n\nThis issue affects Apache Impala: >=4.0.0.\n\n\n\nUsers are recommended to upgrade to version 4.5.2, which fixes this issue."}], "id": "CVE-2026-56207", "lastModified": "2026-09-09T15:37:09.320", "metrics": {}, "published": "2026-09-09T11:17:14.827", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zs"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/09/08/22"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "security@apache.org", "type": "Secondary"}]}

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