Vulnerability Description
A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 24**.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nodejs | Node.Js | >= 22.0, < 22.23.0 |
Related Weaknesses (CWE)
References
- https://hackerone.com/reports/3658225Issue TrackingThird Party Advisory
- https://nodejs.org/en/blog/vulnerability/june-2026-security-releasesPatchVendor Advisory
FAQ
What is CVE-2026-48937?
CVE-2026-48937 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 2...
How severe is CVE-2026-48937?
CVE-2026-48937 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48937?
Check the references section above for vendor advisories and patch information. Affected products include: Nodejs Node.Js.