{"id":"CVE-2026-109156","aliases":["EUVD-2026-98452","GHSA-46h3-793q-hvxm"],"status":"published","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.","severity":{"version":"4.0","score":5.3,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00424,"percentile":0.37173,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-10-13T10:30:17Z","modified":"2026-10-28T02:30:34Z","products":[{"vendor":"seldonio","product":"mlserver"}],"references":[{"url":"https://vuldb.com/vuln/416889","tags":["vdb-entry","technical-description","advisory"]},{"url":"https://vuldb.com/vuln/416889/cti","tags":["signature","permissions-required","report"]},{"url":"https://vuldb.com/cve/CVE-2026-109156","tags":["third-party-advisory","advisory"]},{"url":"https://vuldb.com/submit/978677","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/SeldonIO/MLServer/issues/2553","tags":["issue-tracking","report"]},{"url":"https://github.com/SeldonIO/MLServer/","tags":["product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109156","tags":["advisory"]},{"url":"https://github.com/SeldonIO/MLServer"},{"url":"https://github.com/advisories/GHSA-46h3-793q-hvxm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109156.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-109156","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.","status":"published","published":"2026-10-13T10:30:17.244Z","modified":"2026-10-16T21:43:17.749Z","cvss":[{"version":"4.0","score":5.3,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":6.3,"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","level":"medium","assessor":"cna"},{"version":"3.0","score":6.3,"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","level":"medium","assessor":"cna"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:20:11.581788Z"}],"euvd":[{"id":"EUVD-2026-98452","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.","status":"published","published":"2026-10-13T10:30:17Z","modified":"2026-10-16T21:43:17Z","cvss":[{"version":"4.0","score":5.3,"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","level":"medium"}],"updated_at":"2026-11-02T17:00:01.37578Z"}],"ghsa":[{"id":"GHSA-46h3-793q-hvxm","title":"A vulnerability has been found in SeldonIO MLServer up to 1.6.1. Affected is the function...","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.","status":"published","published":"2026-10-13T12:32:58Z","modified":"2026-10-13T12:33:06Z","cvss":[{"version":"4.0","score":5.3,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:13:10.715475Z"}],"nvd":[{"id":"CVE-2026-109156","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.","status":"published","published":"2026-10-13T11:17:14.7Z","modified":"2026-10-16T22:17:18.503Z","cvss":[{"version":"4.0","score":5.3,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:56.72789Z"}],"osv":[{"id":"CVE-2026-109156","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.","status":"published","published":"2026-10-13T10:30:17.244Z","modified":"2026-10-28T02:30:34.536689653Z","cvss":[{"version":"4.0","score":5.3,"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","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:55.279797Z"}]}}