{"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":"2026-09-10T17:58:21.228Z"},"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"}},{"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"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T17:57:18.875085Z","id":"CVE-2026-56207","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-09-10T17:58:21.228Z"}}]}}