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CVE-2026-94483— Next.js: Server-Side Request Forgery in Image Optimization

Quick assessment

Affected
vercel next.js
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.

Next.js 是一个用于构建全栈 Web 应用的 React 框架。从版本 16.0.0 到 16.3.8，图像优化功能在针对远程 URL 进行图像获取时，可能跟随攻击者控制的 DNS 解析结果，即使该 URL 已通过了 的白名单检查，仍可能导致优化后的图像获取请求访问到私有 IP 地址。未配置 的应用不受此问题影响。暂时无法升级的管理员应审查已列入白名单的主机，并避免将 DNS 记录不可信的主机纳入白名单。该问题已在 16.3.8 版本中修复。

CVSS 8.3 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
vercel next.js >= 16.0.0, < 16.3.8 affected
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I. Basic Information for CVE-2026-94483

Vulnerability Information
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Vulnerability Title
Next.js: Server-Side Request Forgery in Image Optimization
Source: CVE Program / CVE List V5
Vulnerability Description
Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8, Image Optimization can follow attacker-controlled DNS resolution for a remote URL that matches images.remotePatterns, allowing the optimized image fetch to reach private IP addresses after the URL passes the allow-list check. Applications without images.remotePatterns are not affected. Administrators unable to upgrade should audit allow-listed hosts and avoid entries whose DNS records are not trusted. This issue is fixed in version 16.3.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
vercel next.js >= 16.0.0, < 16.3.8 -

II. Public POCs for CVE-2026-94483

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III. Intelligence Information for CVE-2026-94483

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Patches & Fixes for CVE-2026-94483 (1)

Vendor Advisories for CVE-2026-94483 (1)

Vendor Pages for CVE-2026-94483 (1)

Same Patch Batch · vercel · 2026-10-02 · 6 CVEs total

CVE-2026-94484 6.3 MEDIUM Next.js: Cache poisoning in Next.js SSG/ISR rendering leads to cross-user content substitu
CVE-2026-94485 6.3 MEDIUM Next.js: Information disclosure in Next.js App Router metadata image routes via dynamicPar
CVE-2026-94544 6.3 MEDIUM Next.js: Pending `use cache` fill can leak Draft Mode content into regular responses and p
CVE-2026-94543 6.3 MEDIUM Next.js: Cache poisoning of SSG and ISR pages in self-hosted Next.js applications
CVE-2026-94486 2.3 LOW Next.js: Information disclosure in the Next.js development server's Model Context Protocol

IV. Related Vulnerabilities

Same product: next.js
Same vendor: vercel
Same weakness: CWE-918

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