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        "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": "2026-09-10T17:58:21.228Z"
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            "title": "Apache Impala: SAML authentication bypass via forged bearer token",
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                    "descriptions": [
                        {
                            "description": "CWE-347 Improper Verification of Cryptographic Signature",
                            "lang": "en",
                            "cweId": "CWE-347",
                            "type": "CWE"
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                "discovery": "UNKNOWN"
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            "affected": [
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                    "vendor": "Apache Software Foundation",
                    "product": "Apache Impala",
                    "versions": [
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                            "status": "affected",
                            "version": "4.0.0",
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                            "versionType": "semver"
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                    "defaultStatus": "unaffected"
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                {
                    "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.",
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                {
                    "url": "https://lists.apache.org/thread/20cov78py0zqzx7dyq39ktythkwn91zs",
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                            "lang": "en",
                            "value": "GENERAL"
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            "credits": [
                {
                    "lang": "en",
                    "value": "Andrew Rukin (Arenadata)",
                    "type": "reporter"
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                        "url": "http://www.openwall.com/lists/oss-security/2026/09/08/22"
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            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
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                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-10T17:57:18.875085Z",
                                "id": "CVE-2026-56207",
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                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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