CVE-2026-109156 (GCVE-0-2026-109156)

Vulnerability from cvelistv5 – Published: 2026-10-13 10:30 – Updated: 2026-10-13 10:30
VLAI
Title
SeldonIO MLServer environment_tarball env.py _extract_env path traversal
Summary
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
5.3 (Medium)
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
6.3 (Medium)
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
6.3 (Medium)
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
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3853 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
SeldonIO MLServer Affected: 1.6.0
Affected: 1.6.1
    cpe:2.3:a:seldonio:mlserver:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
Mohammedix88 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:seldonio:mlserver:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "environment_tarball Handler"
          ],
          "product": "MLServer",
          "vendor": "SeldonIO",
          "versions": [
            {
              "status": "affected",
              "version": "1.6.0"
            },
            {
              "status": "affected",
              "version": "1.6.1"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Mohammedix88 (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "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."
        }
      ],
      "metrics": [
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            "baseSeverity": "MEDIUM",
            "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",
            "version": "4.0"
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            "version": "3.0"
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            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:C",
            "version": "2.0"
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      "problemTypes": [
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          "descriptions": [
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              "description": "Path Traversal",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-10-13T10:30:17.244Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-416889 | SeldonIO MLServer environment_tarball env.py _extract_env path traversal",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/416889"
        },
        {
          "name": "VDB-416889 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/416889/cti"
        },
        {
          "name": "CVE-2026-109156 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-109156"
        },
        {
          "name": "Submit #978677 | SeldonIO MLServer 1.6.1 Path Traversal",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/978677"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/SeldonIO/MLServer/issues/2553"
        },
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          "tags": [
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          "url": "https://github.com/SeldonIO/MLServer/"
        }
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          "time": "2026-10-12T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "time": "2026-10-12T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-10-12T14:03:44.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "SeldonIO MLServer environment_tarball env.py _extract_env path traversal",
      "x_generator": [
        "VulDB PVTS v202610"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-109156",
    "datePublished": "2026-10-13T10:30:17.244Z",
    "dateReserved": "2026-10-12T11:58:40.050Z",
    "dateUpdated": "2026-10-13T10:30:17.244Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:seldonio:mlserver:*:*:*:*:*:*:*:*"
                ],
                "modules": [
                  "environment_tarball Handler"
                ],
                "product": "MLServer",
                "vendor": "SeldonIO",
                "versions": [
                  {
                    "status": "affected",
                    "version": "1.6.0"
                  },
                  {
                    "status": "affected",
                    "version": "1.6.1"
                  }
                ]
              }
            ],
            "source": "cna@vuldb.com"
          }
        ],
        "cveTags": [],
        "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."
          }
        ],
        "id": "CVE-2026-109156",
        "lastModified": "2026-10-13T11:17:14.700",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 7.5,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
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              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
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            }
          ],
          "cvssMetricV31": [
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                "attackComplexity": "LOW",
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                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
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          "cvssMetricV40": [
            {
              "cvssData": {
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                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
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                "availabilityRequirement": "NOT_DEFINED",
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                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "PASSIVE",
                "valueDensity": "NOT_DEFINED",
                "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/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",
                "version": "4.0",
                "vulnAvailabilityImpact": "LOW",
                "vulnConfidentialityImpact": "LOW",
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                "vulnerabilityResponseEffort": "NOT_DEFINED"
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    }
  }
}



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