Vulnerability Description
A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Nodejs | Node.Js | 22.22.3 |
Related Weaknesses (CWE)
References
- https://nodejs.org/en/blog/vulnerability/june-2026-security-releasesVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/07/02/2
- https://github.com/nodejs/node/issues/63989ExploitIssue TrackingThird Party Advisory
- https://jdstaerk.substack.com/p/nodejs-security-fix-silently-brokeThird Party Advisory
FAQ
What is CVE-2026-48931?
CVE-2026-48931 is a vulnerability with a CVSS score of 3.7 (LOW). A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node.js ...
How severe is CVE-2026-48931?
CVE-2026-48931 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48931?
Check the references section above for vendor advisories and patch information. Affected products include: Nodejs Node.Js.