A flaw in Node.js HTTP Agent connection reuse can cause a client to accept as valid a response that was sent before the client has sent the request.
A flaw in Node.js HTTP Agent connection reuse can cause a client to accept as valid a response that was sent before the client has sent the request. This is an incomplete fix of CVE-2026-48931. The guard that destroys idle keep-alive sockets when unexpected data arrives only runs when the event loop polls for I/O. If an unsolicited response has already reached the socket but has not been read yet when the socket is handed to a new request, for example because the event loop was busy with synchronous work, the guard is removed without seeing it and the data is parsed as the response to the new
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Node.js
- Product
- Node.js
- CVSS
- 6.5
- EPSS
- 0.003 (p23)
- Exposure class
- Developer platform
Why it ranks 20 (Routine)
- CVSS 6.5 medium
- Product class: developer platform
- Covered by 3 independent sources
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-105481 on this site · NVD · CVE.org · Vulnpedia
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