Next Js
CVE-2024-51479
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
Next.js is a React framework for building full-stack web applications. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in npm
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified under CWE-285. Next.js is a React framework for building full-stack web applications. In affected versions if a Next.js application is performing authorization in middleware based on pathname, it was possible for this authorization to be bypassed for pages directly under the application's root directory. For example: * [Not affected] https://example.com/ * [Affected] https://example.com/foo * [Not affected] https://example.com/foo/bar. This issue is patched in Next.js 14.2.15 and later. If your Next.js application is hosted on Vercel, this vulnerability has been automatically mitigated, regardless of Next.js version. There are no official workarounds for this vulnerability. Affected products include: Vercel Next.Js.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from Vendor (github) · only source for this CVE.
CVSS VectorVendor: github
DescriptionCVE.org
Next.js is a React framework for building full-stack web applications. In affected versions if a Next.js application is performing authorization in middleware based on pathname, it was possible for this authorization to be bypassed for pages directly under the application's root directory. For example: * [Not affected] https://example.com/ * [Affected] https://example.com/foo * [Not affected] https://example.com/foo/bar. This issue is patched in Next.js 14.2.15 and later. If your Next.js application is hosted on Vercel, this vulnerability has been automatically mitigated, regardless of Next.js version. There are no official workarounds for this vulnerability.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)CVE.org
React Server Components in React 19.x contain a critical pre-authentication remote code execution vulnerability (CVE-202
ZEIT Next.js before 2.4.1 has directory traversal under the /_next and /static request namespace, allowing attackers to
Pre-authentication denial of service in React Server Components (versions 19.0.0 through 19.2.1) allows unauthenticated
Information disclosure in React Server Components 19.x, distributed as react-server-dom-webpack, react-server-dom-turbop
Path traversal in Next.js (13.4.0 through 15.5.23 and 16.x before 16.3.3) running on Windows-hosted servers lets a remot
Server-side request forgery in Vercel Next.js affects self-hosted deployments whose custom middleware calls next()/NextR
Next.js is a React framework that can provide building blocks to create web applications. Rated high severity (CVSS 7.5)
Next.js before 13.4.20-canary.13 lacks a cache-control header and thus empty prefetch responses may sometimes be cached
ZEIT Next.js 4 before 4.2.3 has Directory Traversal under the /_next request namespace. Rated high severity (CVSS 7.5),
Unsafe deserialization in React Server Components Server Function endpoints allows remote unauthenticated attackers to t
Server-side request forgery in the Next.js Image Optimization endpoint lets a remote, unauthenticated attacker cause the
Next.js versions before 9.3.2 have a directory traversal vulnerability. Rated medium severity (CVSS 4.3), this vulnerabi
Exploit-DB