{"id":"CVE-2026-62391","state":"PUBLISHED","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.","publishedAt":"2026-07-31T09:58:15.033Z","updatedAt":"2026-07-31T16:29:28.224Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Kyuubi"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Kyuubi","packageName":"org.apache.kyuubi:kyuubi-server","defaultStatus":"unaffected","versions":[{"version":"1.6.0","status":"affected","lessThan":"1.12.0","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1"],"weaknesses":["CWE-22","CWE-27"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/62xxx/CVE-2026-62391.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-62391","state":"PUBLISHED","datePublished":"2026-07-31T09:58:15.033Z","dateUpdated":"2026-07-31T16:29:28.224Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-07-14T02:46:17.386Z"},"containers":{"cna":{"title":"Apache Kyuubi: kyuubi.session.local.dir.allow.list bypass via unprefixed Spark file-conf aliases","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Kyuubi","packageName":"org.apache.kyuubi:kyuubi-server","defaultStatus":"unaffected","versions":[{"version":"1.6.0","status":"affected","lessThan":"1.12.0","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1","tags":["vendor-advisory"]}],"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":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-07-31T09:58:15.033Z"},"credits":[{"lang":"en","type":"finder","value":"Anand Nalya"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.1,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-31T16:29:24.936297Z","id":"CVE-2026-62391","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-31T16:29:28.224Z"}}]}}}