Vulnerability DatabaseGHSA-mwv6-3258-q52c

GHSA-mwv6-3258-q52c
Next.js vulnerability analysis and mitigation

A vulnerability affects certain React packages for versions 19.0.0, 19.0.1, 19.1.0, 19.1.1, 19.1.2, 19.2.0, and 19.2.1 and frameworks that use the affected packages, including Next.js 15.x and 16.x using the App Router. The issue is tracked upstream as CVE-2025-55184. A malicious HTTP request can be crafted and sent to any App Router endpoint that, when deserialized, can cause the server process to hang and consume CPU. This can result in denial of service in unpatched environments.


SourceNVD

Related Next.js vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

GHSA-5j59-xgg2-r9c4HIGH7.5
  • Next.jsNext.js
  • next
NoYesDec 12, 2025
CVE-2025-67779HIGH7.5
  • React Server ComponentsReact Server Components
  • @vitejs/plugin-rsc
NoYesDec 12, 2025
GHSA-mwv6-3258-q52cHIGH7.5
  • Next.jsNext.js
  • next
NoYesDec 11, 2025
CVE-2025-55184HIGH7.5
  • React Server ComponentsReact Server Components
  • next
NoYesDec 11, 2025
GHSA-w37m-7fhw-fmv9MEDIUM5.3
  • Next.jsNext.js
  • next
NoYesDec 11, 2025

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