---
id: CVE-2026-85686
title: >-
  ms-swift 4.5.2 contains a server-side request forgery vulnerability in the
  swift deploy OpenAI-compatible API that fetches multimodal media URLs without
  validation or redirect filtering
summary: >-
  ms-swift 4.5.2 contains a server-side request forgery vulnerability in the
  swift deploy OpenAI-compatible API that fetches multimodal media URLs without
  validation or redirect filtering. Unauthenticated attackers can supply
  arbitrary ima…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-918
vendor: modelscope
product: ms-swift
affected:
  - ms-swift <= 4.5.2
published: '2026-09-04'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T17:17:46.620'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85686'
references:
  - url: 'https://github.com/modelscope/ms-swift'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/modelscope/ms-swift/blob/v4.5.2/swift/template/vision_utils.py
    label: disclosure@vulncheck.com
  - url: 'https://github.com/modelscope/ms-swift/issues/9740'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/ms-swift-4.5.2-unauthenticated-ssrf-via-multimodal-media-urls
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00277
epssPercentile: 0.20428
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-10T14:22:59.162762Z'
ingestedAt: '2026-09-10T15:53:17.107Z'
---

## Overview

ms-swift 4.5.2 contains a server-side request forgery vulnerability in the swift deploy OpenAI-compatible API that fetches multimodal media URLs without validation or redirect filtering. Unauthenticated attackers can supply arbitrary image_url, audio_url, or video_url parameters to make the server issue requests to internal services and cloud metadata endpoints.

## Remediation

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