{"id":"CVE-2026-15687","summary":"Path traversal via non-tar copyDirectoryFromPod","details":"A security issue was discovered in the Kubernetes Java client library where a compromised pod may be able to create new files in arbitrary locations on the client machine executing copy operations via non-tar copyDirectoryFromPod when enableTarCompressing is false.","modified":"2026-11-04T10:47:01.566226864Z","published":"2026-07-23T18:43:25.357Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15687.json","unresolved_ranges":[{"extracted_events":[{"range":[{"introduced":"10.0.0"},{"fixed":"25.0.1"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"}]}],"cna_assigner":"kubernetes","cwe_ids":["CWE-22"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15687.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15687"},{"type":"REPORT","url":"https://github.com/kubernetes-client/java/issues/4861"},{"type":"PACKAGE","url":"https://github.com/kubernetes-client/java"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kubernetes-client/java","events":[{"introduced":"1ead6b75309d0ca3823259d83d82bcf5d2bc1cff"},{"last_affected":"1ead6b75309d0ca3823259d83d82bcf5d2bc1cff"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"26.0.0"},{"last_affected":"26.0.0"}],"source":"AFFECTED_FIELD","strategy":"StandaloneSingleVersion"}]}}],"versions":["26.0.0","v26.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15687.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N"}]}