Vigie VulnDBEuropean-hosted Vulnerability DB

CVE-2026-48618

At a glance

Severity
HIGH 7.7
EPSS
EPSS 3.14 % · percentile 88 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
hackerone
NVD status
Modified

Description

A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mismat. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Scores

VersionScoreVectorScored by
CVSS 3.0HIGH 7.7CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:Nhackerone
CVSS 3.1HIGH 7.7CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:Nredhat-SADP
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)
CVSS 3.1HIGH 7.7CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NNVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary)
CVSS 3.0HIGH 7.7CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NNVD · support@hackerone.com (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
nodejs · nodeaffected 22.22.3 ≤ 22.22.3 ; affected 24.16.0 ≤ 24.16.0 ; affected 26.3.0 ≤ 26.3.0

References

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD