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CVE-2026-48937

A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability…

Medium5.3EPSS 0.57%
Published
Updated
Reserved
Assigned by
hackerone

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

CVSS scores of CVE-2026-48937, by who scored it
Scored byCVSSScoreVector
hackeroneCNA (assigner)3.0Medium5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVDNVD · Analyzed3.1High7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.57% · top 52% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

Affected products

  • nodejs · node

    • affected 22.22.3 – ≤ 22.22.3
    • affected 24.16.0 – ≤ 24.16.0

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .