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CVE-2026-48928

A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all…

Medium4.2EPSS 0.22%
Published
Updated
Reserved
Assigned by
hackerone

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**.

Scores

CVSS scores of CVE-2026-48928, by who scored it
Scored byCVSSScoreVector
hackeroneCNA (assigner)3.0Medium4.2CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
NVDNVD · Analyzed3.1Medium5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.22% · top 88% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · 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 4.2.

Weakness

Affected products

  • nodejs · node

    • affected 22.22.3 – ≤ 22.22.3
    • affected 24.16.0 – ≤ 24.16.0
    • affected 26.3.0 – ≤ 26.3.0

References (1)

Sources

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

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Record last updated .