CVE-2026-48937

At a glance

Severity: MEDIUM 5.3
EPSS: EPSS 0.57 % · percentile 47 (2026-10-27)
State: PUBLISHED
Published: 2026-06-18
Updated: 2026-06-18
Assigner: hackerone
NVD status: Analyzed

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**.

Scores

Version	Score	Vector	Scored by
CVSS 3.0	MEDIUM 5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	hackerone
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.0	MEDIUM 5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	NVD · support@hackerone.com (Secondary)

Weaknesses (CWE)

CWE-400

European references

ENISA EUVD · EUVD-2026-37928
GCVE · GCVE-0-2026-48937

CERT-FR advisories

CERTFR-2026-AVI-0786 — Multiples vulnérabilités dans Node.js · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* ≥ 22.0 < 22.23.0
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* ≥ 24.0.0 < 24.17.0

Affected products

Product	Versions
nodejs · node	affected 22.22.3 ≤ 22.22.3 ; affected 24.16.0 ≤ 24.16.0

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD