A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a GOAWAY frame. (CVE-2026-48937)
Description
A vulnerability in the Node.js HTTP/2 server API allows servers to continue accepting data even after sending a GOAWAY frame. This issue affects Node.js versions prior to 22.23.0 and versions from 23.0.0 up to but not including 24.17.0. The flaw could lead to unexpected server behavior related to HTTP/2 connection termination.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-48937 describes a flaw in the Node.js HTTP/2 server API where the server continues to accept data after it has sent a GOAWAY frame, which is intended to initiate connection shutdown. This vulnerability affects two supported Node.js release lines: versions less than 22.23.0 and versions from 23.0.0 up to but excluding 24.17.0. The issue has been assigned a high severity rating. A patch is available to address this vulnerability.
Potential Impact
The vulnerability may cause Node.js HTTP/2 servers to improperly handle connection shutdown sequences, potentially leading to resource exhaustion or unexpected server behavior due to continued data acceptance after signaling connection closure. No known exploits in the wild have been reported.
Mitigation Recommendations
A patch is available for this vulnerability. Users should upgrade Node.js to version 22.23.0 or later in the 22.x line, or to version 24.17.0 or later in the 24.x line to remediate this issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BIT-node-2026-48937
- Osv Schema Version
- 1.6.2
- Aliases
- ["CVE-2026-48937"]
- Ecosystems
- ["Bitnami"]
- Database Specific Severity
- High
- State
- PUBLISHED
Threat ID: 6a85b4a7acd9273b4925081c
Added to database: 08/19/2026, 13:50:31 UTC
Last enriched: 09/08/2026, 15:17:43 UTC
Last updated: 10/04/2026, 10:02:28 UTC
Views: 64
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