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

Quick assessment

Affected
vercel ai
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.

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。

CVSS 7.3 · High EPSS 0.69% · P51

Possible ATT&CK Techniques 1 AI

T1598 · Phishing for Information

Affected Version Matrix 98

VendorProduct Version RangeStatus
vercel ai 3.0.0 affected
3.0.1 affected
3.0.2 affected
3.0.3 affected
3.0.4 affected
3.0.5 affected
3.0.6 affected
3.0.7 affected
… +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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
vercel ai 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-2026-8767 5.0 MEDIUM vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection
CVE-2026-8769 4.3 MEDIUM vercel 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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