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CVE-2026-58043

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 bo

nodejs nodeRuntimes & languages
Open in ThreatlineRecord JSON
CVSS
7.5High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.15%Chance of exploitation activity in the next 30 days, higher than 4% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published30 Jul 2026Updated 31 Jul 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 30 Jul 2026, 06:02 UTCPublishedCVE List
  2. 23 Oct 2026, 23:44 UTCExploit code publicGitHub proof-of-concept repositories

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

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.

Text from CVE List

Affected versions 3

  • nodeaffected: 22.23.1 through 22.23.1CVE List
  • nodeaffected: 24.18.0 through 24.18.0CVE List
  • nodeaffected: 26.5.0 through 26.5.0CVE List

References 1