{"api_version":"1","generated_at":"2026-07-31T21:06:25+00:00","cve":"CVE-2026-62391","urls":{"html":"https://cve.report/CVE-2026-62391","api":"https://cve.report/api/cve/CVE-2026-62391.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-62391","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-62391"},"summary":{"title":"Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via unprefixed Spark file-conf aliases","description":"The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases.\n\nThis issue affects Apache Kyuubi: from 1.6.0 before 1.12.0.\n\nUsers are recommended to upgrade to version 1.12.0, which fixes the issue.","state":"PUBLISHED","assigner":"apache","published_at":"2026-07-31 11:17:11","updated_at":"2026-07-31 17:16:34"},"problem_types":["CWE-22","CWE-27","CWE-22 CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","CWE-27 CWE-27 Path Traversal: 'dir/../../filename'"],"metrics":[{"version":"3.1","source":"ADP","type":"DECLARED","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}},{"version":"3.1","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"references":[{"url":"https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1","name":"https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-62391","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62391","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Kyuubi","version":"affected 1.6.0 1.12.0 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Anand Nalya","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}},{"other":{"content":{"id":"CVE-2026-62391","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-07-31T16:29:24.936297Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-31T16:29:28.224Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://repo.maven.apache.org/maven2","defaultStatus":"unaffected","packageName":"org.apache.kyuubi:kyuubi-server","product":"Apache Kyuubi","vendor":"Apache Software Foundation","versions":[{"lessThan":"1.12.0","status":"affected","version":"1.6.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Anand Nalya"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p><span style=\"background-color: rgb(255, 255, 255);\">The security fix for CVE-2025-66518 is incomplete.&nbsp;</span><span style=\"background-color: rgb(255, 255, 255);\">Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config&nbsp;</span>kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases.</p><p>This issue affects Apache Kyuubi: from 1.6.0 before 1.12.0.</p><p>Users are recommended to upgrade to version 1.12.0, which fixes the issue.</p>"}],"value":"The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases.\n\nThis issue affects Apache Kyuubi: from 1.6.0 before 1.12.0.\n\nUsers are recommended to upgrade to version 1.12.0, which fixes the issue."}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-27","description":"CWE-27 Path Traversal: 'dir/../../filename'","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-31T09:58:15.033Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1"}],"source":{"discovery":"EXTERNAL"},"title":"Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via unprefixed Spark file-conf aliases","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-62391","datePublished":"2026-07-31T09:58:15.033Z","dateReserved":"2026-07-14T02:46:17.386Z","dateUpdated":"2026-07-31T16:29:28.224Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-31 11:17:11","lastModifiedDate":"2026-07-31 17:16:34","problem_types":["CWE-22","CWE-27","CWE-22 CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","CWE-27 CWE-27 Path Traversal: 'dir/../../filename'"],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":5.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-31T16:29:24.936297Z","id":"CVE-2026-62391","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"62391","Ordinal":"1","Title":"Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via un","CVE":"CVE-2026-62391","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"62391","Ordinal":"1","NoteData":"The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases.\n\nThis issue affects Apache Kyuubi: from 1.6.0 before 1.12.0.\n\nUsers are recommended to upgrade to version 1.12.0, which fixes the issue.","Type":"Description","Title":"Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via un"}]}}}