Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-58043

CVE-2026-58043HIGH

nodejs node — A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries.

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  C  H  H  N    8.4   .0015    3.8     —

AFFECTED
  Product  Versions   Fixed
  node     22.23.1 –  —

TIMELINE
  Jun 27  Reserved by hackerone
  Jul 30  Published (CNA: hackerone)
  Aug 25  RESCORED — CVE-2026-58043 (nodejs node). CVSS 7.5 → 8.4 (NVD).

CWE-284 · CNA: hackerone · CVSS v3.1 · 1 reference · NVD status: Analyzed

Description

A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries. Under `--permission`, an attacker who is granted access to one path can abuse boundary handling to read from or write to paths outside the intended filesystem allowlist. This vulnerability affects Node.js **main**, **22.x**, **24.x**, and **26.x**.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
June 27, 2026	Reserved	Reserved by hackerone
July 30, 2026	Published	Published (CNA: hackerone)
August 25, 2026	RESCORED	RESCORED — CVE-2026-58043 (nodejs node). CVSS 7.5 → 8.4 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
nodejs	node	—	22.23.1	—

Weaknesses

CWE-284

References (1)

https://nodejs.org/en/blog/vulnerability/july-2026-security-releases [Vendor Advisory]

Authoritative record: CVE-2026-58043 at cve.org

Vendors: nodejs

Weaknesses: CWE-284

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-58043 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 Sunday, October 4, 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.