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Description

A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

PUBLISHED Reserved 2026-05-26 | Published 2026-06-26 | Updated 2026-06-26 | Assigner hackerone




MEDIUM: 4.2CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Problem types

CWE-284 Improper Access Control - Generic

Product status

Default status
unaffected

22.22.3 (semver)
affected

24.16.0 (semver)
affected

26.3.0 (semver)
affected

References

nodejs.org/en/blog/vulnerability/june-2026-security-releases

cve.org (CVE-2026-48928)

nvd.nist.gov (CVE-2026-48928)

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