CVE-2026-48931 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-48931LOW

nodejs node — 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.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   N  U  N  L  N    3.7   .0034   27.6     —

AFFECTED
  Product  Versions   Fixed
  node     22.22.3 –  —

TIMELINE
  May 26  Reserved by hackerone
  Jun 22  EXPLOIT PUBLISHED — CVE-2026-48931 (nodejs node). Public exploit reference added.
  Jun 22  Published (CNA: hackerone)

CWE-367 · CNA: hackerone · CVSS v3.1 · 4 references · NVD status: Modified

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**.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
May 26, 2026	Reserved	Reserved by hackerone
June 22, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-48931 (nodejs node). Public exploit reference added.
June 22, 2026	Published	Published (CNA: hackerone)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
nodejs	node	—	22.22.3	—

Weaknesses

CWE-367

References (4)

http://www.openwall.com/lists/oss-security/2026/07/02/2
https://github.com/nodejs/node/issues/63989 [Exploit, Issue Tracking, Third Party Advisory]
https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke [Third Party Advisory]
https://nodejs.org/en/blog/vulnerability/june-2026-security-releases [Vendor Advisory]

Authoritative record: CVE-2026-48931 at cve.org

Vendors: nodejs

Weaknesses: CWE-367

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-48931 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.