{"id":"CVE-2026-109156","state":"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.","publishedAt":"2026-10-13T10:30:17.244Z","updatedAt":"2026-10-16T21:43:17.749Z","severity":{"score":5.3,"label":"Medium","version":"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","source":"VulDB"},"assigner":"VulDB","products":["SeldonIO MLServer"],"affected":[{"vendor":"SeldonIO","product":"MLServer","versions":[{"version":"1.6.0","status":"affected"},{"version":"1.6.1","status":"affected"}],"cpes":["cpe:2.3:a:seldonio:mlserver:*:*:*:*:*:*:*:*"],"modules":["environment_tarball Handler"]}],"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/"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/109xxx/CVE-2026-109156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-109156","state":"PUBLISHED","datePublished":"2026-10-13T10:30:17.244Z","dateUpdated":"2026-10-16T21:43:17.749Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-10-12T11:58:40.050Z"},"containers":{"cna":{"title":"SeldonIO MLServer environment_tarball env.py _extract_env path traversal","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"SeldonIO","product":"MLServer","versions":[{"version":"1.6.0","status":"affected"},{"version":"1.6.1","status":"affected"}],"cpes":["cpe:2.3:a:seldonio:mlserver:*:*:*:*:*:*:*:*"],"modules":["environment_tarball Handler"]}],"references":[{"url":"https://vuldb.com/vuln/416889","name":"VDB-416889 | SeldonIO MLServer environment_tarball env.py _extract_env path traversal","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/416889/cti","name":"VDB-416889 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-109156","name":"CVE-2026-109156 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/978677","name":"Submit #978677 | SeldonIO MLServer 1.6.1 Path Traversal","tags":["third-party-advisory"]},{"url":"https://github.com/SeldonIO/MLServer/issues/2553","tags":["issue-tracking"]},{"url":"https://github.com/SeldonIO/MLServer/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":6.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","type":"CWE","lang":"en","description":"Path Traversal"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-10-13T10:30:17.244Z"},"timeline":[{"time":"2026-10-12T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-10-12T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-10-12T14:03:44.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Mohammedix88 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202610"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-16T21:43:04.665438Z","id":"CVE-2026-109156","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":"2026-10-16T21:43:17.749Z"}}]}}}