{"id":"CVE-2026-109156","summary":"SeldonIO MLServer environment_tarball env.py _extract_env path traversal","details":"A vulnerability has been found in SeldonIO MLServer up to 1.6.1. Affected is the function _extract_env of the file mlserver/env.py of the component environment_tarball Handler. Such manipulation leads to path traversal. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.","modified":"2026-10-15T02:47:21.582227037Z","published":"2026-10-13T10:30:17.244Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109156.json","cna_assigner":"VulDB","cwe_ids":["CWE-22"]},"references":[{"type":"WEB","url":"https://github.com/SeldonIO/MLServer/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109156.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109156"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-109156"},{"type":"ADVISORY","url":"https://vuldb.com/submit/978677"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/416889"},{"type":"REPORT","url":"https://github.com/SeldonIO/MLServer/issues/2553"},{"type":"REPORT","url":"https://vuldb.com/vuln/416889/cti"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/seldonio/mlserver","events":[{"introduced":"09637a8d618f70bbc23c3ed945bd4627b13419b1"},{"last_affected":"0eeaa062f66e90360b9ff6c6c90d6188cd1d412e"}],"database_specific":{"extracted_events":[{"introduced":"1.6.0"},{"last_affected":"1.6.0"},{"introduced":"1.6.1"},{"last_affected":"1.6.1"}],"source":"AFFECTED_FIELD"}}],"versions":["1.6.0","1.6.1","stable","1.6.1.rc2","1.6.1.rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109156.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X"}]}