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CVE-2026-85686— ms-swift 4.5.2 Unauthenticated SSRF via Multimodal Media URLs

Quick assessment

Affected
modelscope ms-swift
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ModelScope ms-swift是ModelScope组织的一款深度神经网络模型训练微调框架。 ModelScope ms-swift 4.5.2版本存在服务端请求伪造漏洞，该漏洞源于swift deploy OpenAI-compatible API获取多模态媒体URL时未进行验证或重定向过滤，未经身份验证的攻击者可提供任意image_url、audio_url或video_url参数，使服务器向内部服务和云元数据端点发起请求。

CVSS 7.5 · High EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
modelscope ms-swift ≤ 4.5.2 affected
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I. Basic Information for CVE-2026-85686

Vulnerability Information
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Vulnerability Title
ms-swift 4.5.2 Unauthenticated SSRF via Multimodal Media URLs
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
ModelScope ms-swift 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ModelScope ms-swift是ModelScope组织的一款深度神经网络模型训练微调框架。 ModelScope ms-swift 4.5.2版本存在服务端请求伪造漏洞，该漏洞源于swift deploy OpenAI-compatible API获取多模态媒体URL时未进行验证或重定向过滤，未经身份验证的攻击者可提供任意image_url、audio_url或video_url参数，使服务器向内部服务和云元数据端点发起请求。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
modelscope ms-swift 0 ~ 4.5.2 -

II. Public POCs for CVE-2026-85686

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III. Intelligence Information for CVE-2026-85686

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Patches & Fixes for CVE-2026-85686 (1)

Vendor Advisories for CVE-2026-85686 (2)

IV. Related Vulnerabilities

Same product: ms-swift
Same vendor: modelscope
Same weakness: CWE-918

V. Comments for CVE-2026-85686

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