DEBIAN-CVE-2026-48618

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2026-48618
Published: 26 Jun 2026, 02:16
Last modified:27 Jun 2026, 10:00

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Jun 2026, 02:16
Published
Vulnerability first disclosed
27 Jun 2026, 10:00
Last Modified
Vulnerability information updated

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**.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • debian•nodejs

    all | all | all | all | < 24.17.0+dfsg+~cs24.13.2-1

References (1)