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CVE-2026-8768— vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery

CVSS 7.3 · High EPSS 0.39% · P31

Possible ATT&CK Techniques 1AI

T1598 · Phishing for Information

Affected Version Matrix 98

VendorProductVersion RangeStatus
vercelai3.0.0affected
3.0.1affected
3.0.2affected
3.0.3affected
3.0.4affected
3.0.5affected
3.0.6affected
3.0.7affected
… +90 more rows
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I. Basic Information for CVE-2026-8768

Vulnerability Information
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Vulnerability Title
vercel ai provider-utils download-blob.ts validateDownloadUrl server-side request forgery
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in vercel ai up to 3.0.97. The affected element is the function validateDownloadUrl of the file packages/provider-utils/src/download-blob.ts of the component provider-utils. The manipulation results in server-side request forgery. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Vercel AI SDK 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vercel AI SDK是Vercel公司的一个支持大语言模型接入、流式响应与AI应用开发的JavaScript SDK。 vercel ai 3.0.97及之前版本存在代码问题漏洞，该漏洞源于provider-utils组件中文件packages/provider-utils/src/download-blob.ts的validateDownloadUrl函数存在服务端请求伪造，可能导致远程攻击者利用该漏洞。
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

VendorProductAffected VersionsCPESubscribe
vercelai 3.0.0 cpe:2.3:a:vercel:ai:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8768

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III. Intelligence Information for CVE-2026-8768

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Proof of Concept for CVE-2026-8768 (2)

Same Patch Batch · vercel · 2026-05-17 · 3 CVEs total

CVE-2026-87675.0 MEDIUMvercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection
CVE-2026-87694.3 MEDIUMvercel ai provider-utils response-handler.ts createJsonErrorResponseHandler resource consu

IV. Related Vulnerabilities

Same product: ai
Same vendor: vercel
Same weakness: CWE-918

V. Comments for CVE-2026-8768

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