{"id":"CVE-2026-109156","revision":"2c4b0cdfccac4c31a2d1f8a38a7608bc","records":[{"revision":"2c4b0cdfccac4c31a2d1f8a38a7608bc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109156","aliases":[],"title":"SeldonIO MLServer environment_tarball env.py _extract_env path traversal","description":"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.","state":0,"publishedAt":"2026-10-13T10:30:17.244+00:00","modifiedAt":"2026-10-16T21:43:17.749+00:00","affected":[{"ecosystem":"Vendor product","name":"MLServer","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"SeldonIO\",\n                    \"product\": \"MLServer\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.6.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"1.6.1\",\n                            \"status\": \"affected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:seldonio:mlserver:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"modules\": [\n                        \"environment_tarball Handler\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:C","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 2.0","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C","score":7.5,"severity":null}],"references":["https://vuldb.com/vuln/416889","https://vuldb.com/vuln/416889/cti","https://vuldb.com/cve/CVE-2026-109156","https://vuldb.com/submit/978677","https://github.com/SeldonIO/MLServer/issues/2553","https://github.com/SeldonIO/MLServer/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109156","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109156","identifiers":["CVE-2026-109156"]},"retained":false,"historicalAffected":[]}],"coverage":[]}