GHSA-9QR9-H5GF-34MP: next Npm
Vulnerability summary
GHSA-9QR9-H5GF-34MP is a critical (CVSS 10.0) vulnerability in next Npm.
Advisory lineage
Upstream 0 · Downstream 1 · Related 3Timeline
- 03-12-2025PublishedVulnerability first disclosed.
- 10-09-2026Last modifiedVulnerability information updated.
Description
Next.js is vulnerable to RCE in React flight protocol A vulnerability affects certain React packages<sup>1</sup> for versions 19.0.0, 19.1.0, 19.1.1, and 19.2.0 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-2025-55182](https://www.cve.org/CVERecord?id=CVE-2025-55182). Fixed in: React: 19.0.1, 19.1.2, 19.2.1 Next.js: 15.0.5, 15.1.9, 15.2.6, 15.3.6, 15.4.8, 15.5.7, 16.0.7, 15.6.0-canary.58, 16.1.0-canary.12+ The vulnerability also affects experimental canary releases starting with 14.3.0-canary.77. Users on any of the 14.3 canary builds should either downgrade to a 14.x stable release or 14.3.0-canary.76. All users of stable 15.x or 16.x Next.js versions should upgrade to a patched, stable version immediately. <sup>1</sup> The affected React packages are: - react-server-dom-parcel - react-server-dom-turbopack - react-server-dom-webpack
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Npm1 product
- next≥ 14.3.0-canary.77, < 15.0.5 | ≥ 15.1.0-canary.0, < 15.1.9 | ≥ 15.2.0-canary.0, < 15.2.6 | ≥ 15.3.0-canary.0, < 15.3.6 | ≥ 15.4.0-canary.0, < 15.4.8 | ≥ 15.5.0-canary.0, < 15.5.7 | ≥ 16.0.0-canary.0, < 16.0.7
1 vendor · 1 product
References
5 links- github.com/vercel/next.jsPACKAGE