---
id: CVE-2026-109156
title: A vulnerability has been found in SeldonIO MLServer up to 1.6.1
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…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L'
cwe:
  - CWE-22
vendor: Red Hat
product: Red Hat OpenShift AI (RHOAI)
affected:
  - openshift_ai_rhoai
published: '2026-10-13'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T22:17:18.503'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109156'
references:
  - url: 'https://github.com/SeldonIO/MLServer/'
    label: cna@vuldb.com
  - url: 'https://github.com/SeldonIO/MLServer/issues/2553'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-109156'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/978677'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416889'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416889/cti'
    label: cna@vuldb.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109156.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-109156'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2550349'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-109156'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-109156'
tags:
  - nvd
  - csaf
  - vex
  - red-hat
  - cve.org
epss: 0.00424
epssPercentile: 0.36536
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-16T21:43:04.665438Z'
ingestedAt: '2026-10-13T11:23:51.176Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · affected: Red Hat OpenShift AI (RHOAI) · no fix planned: Red Hat OpenShift AI (RHOAI) · updated 2026-10-13 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-109156.json)