---
id: CVE-2026-115812
title: >-
  Relative path traversal during model archive extraction in Amazon Web Services
  Multi Model Server
summary: >-
  Relative path traversal during model archive extraction in Amazon Web Services
  Multi Model Server 1.1.11 and earlier might allow remote actors to execute
  arbitrary code via a crafted model archive.




  Multi Model Server is end of life an…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-23
vendor: AWS
product: multi-model-server
affected:
  - multi-model-server <= 1.1.11
published: '2026-10-23'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T17:33:53.542Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115812'
references:
  - url: 'https://aws.amazon.com/security/security-bulletins/2026-148-aws/'
tags:
  - cve.org
ingestedAt: '2026-10-23T18:33:41.110Z'
---

## Overview

Relative path traversal during model archive extraction in Amazon Web Services Multi Model Server 1.1.11 and earlier might allow remote actors to execute arbitrary code via a crafted model archive.



Multi Model Server is end of life and no fixed version is available. Users should discontinue use of Multi Model Server and migrate to a supported model serving solution.

## Affected

- `multi-model-server <= 1.1.11`

## Remediation

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