{"id":"CVE-2025-66518","state":"PUBLISHED","title":"Apache Kyuubi: Unauthorized directory access due to missing path normalization","description":"Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config.\n\nThis issue affects Apache Kyuubi: from 1.6.0 through 1.10.2.\n\nUsers are recommended to upgrade to version 1.10.3 or upper, which fixes the issue.","publishedAt":"2026-01-05T08:46:27.649Z","updatedAt":"2026-01-05T20:27:07.472Z","severity":{"score":8.8,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","source":"apache"},"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","lessThanOrEqual":"1.10.2","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl","http://www.openwall.com/lists/oss-security/2026/01/05/1"],"weaknesses":["CWE-27"],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/66xxx/CVE-2025-66518.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-66518","state":"PUBLISHED","datePublished":"2026-01-05T08:46:27.649Z","dateUpdated":"2026-01-05T20:27:07.472Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2025-12-04T01:47:50.401Z"},"containers":{"cna":{"title":"Apache Kyuubi: Unauthorized directory access due to missing path normalization","descriptions":[{"lang":"en","value":"Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config.\n\nThis issue affects Apache Kyuubi: from 1.6.0 through 1.10.2.\n\nUsers are recommended to upgrade to version 1.10.3 or upper, 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","lessThanOrEqual":"1.10.2","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl","tags":["vendor-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"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":"2026-01-05T08:46:27.649Z"},"credits":[{"lang":"en","type":"reporter","value":"Hiroki Egawa"},{"lang":"en","type":"remediation developer","value":"Hiroki Egawa"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/01/05/1"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-01-05T12:06:18.095Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-05T20:26:36.563550Z","id":"CVE-2025-66518","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-05T20:27:07.472Z"}}]}}}