# CVE-2024-39693: Next.js Denial of Service (DoS) condition

> Attackers can trigger a server crash in Next.js, causing a denial of service and affecting availability.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 10 Jul 2024
- **Updated:** 5 Nov 2024
- **Also known as:** GHSA-fq54-2j52-jc42, ROOT-APP-NPM-CVE-2024-39693

## What is CVE-2024-39693?

CVE-2024-39693 is a high-severity denial of service vulnerability in Vercel Next.js, published on 10 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Next.js is a React framework. A Denial of Service (DoS) condition was identified in Next.js. Exploitation of the bug can trigger a crash, affecting the availability of the server. his vulnerability was resolved in Next.js 13.5 and later.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2024-39693?

2 open source packages ship an affected version, including next. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `next` | npm | From 13.3.1 | 13.5.0 |
| `next` | npm | From 13.3.1 | 13.5.0 |

Products: Vercel Next.js.

## How do I fix CVE-2024-39693?

Upgrade next to 13.5.0 or later.

## Is CVE-2024-39693 being exploited?

There is no known exploitation of CVE-2024-39693 in the wild and no public exploit code.

## Other vulnerabilities in Vercel Next.js

- [CVE-2025-29927](https://insights.sbomify.com/CVE-2025-29927/): Authorization Bypass in Next.js Middleware (critical 9.1)
- [CVE-2026-44578](https://insights.sbomify.com/CVE-2026-44578/): Next.js: Server-side request forgery in applications using WebSocket upgrades (high 8.6)
- [CVE-2026-94483](https://insights.sbomify.com/CVE-2026-94483/): Next.js: Server-Side Request Forgery in Image Optimization (high 8.3)
- [CVE-2026-64642](https://insights.sbomify.com/CVE-2026-64642/): Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale (high 8.3)
- [CVE-2026-64645](https://insights.sbomify.com/CVE-2026-64645/): Next.js: Server-Side Request Forgery in rewrites via attacker-controlled destination hostname (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-39693 and fix it if it is affected.

What it is: CVE-2024-39693 is a high-severity denial of service vulnerability in Vercel Next.js, published on 10 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-39693 in the wild and no public exploit code.

Affected packages and fixed versions:
- next (npm): affected from 13.3.1; fixed in 13.5.0
- next (npm): affected from 13.3.1; fixed in 13.5.0

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-39693/ (Markdown: https://insights.sbomify.com/CVE-2024-39693/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-39693
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-39693
- OSV: https://osv.dev/vulnerability/CVE-2024-39693

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-39693/
Summaries are generated and may contain mistakes; the official description above is the record.