What’s Vulnerable › Vulnerabilities

CVE-2026-48618

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-26 · updated 2026-10-25
• Weakness: CWE-176

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**.

Affected products

• Node.js: 22.22.3, 24.16.0, 26.3.0

References

• https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
• https://access.redhat.com/errata/RHSA-2026:28727
• https://access.redhat.com/errata/RHSA-2026:29012
• https://access.redhat.com/errata/RHSA-2026:30172
• https://access.redhat.com/errata/RHSA-2026:35841
• https://access.redhat.com/errata/RHSA-2026:35842
• https://access.redhat.com/errata/RHSA-2026:35891
• https://access.redhat.com/errata/RHSA-2026:35892
• https://access.redhat.com/errata/RHSA-2026:39246
• https://access.redhat.com/errata/RHSA-2026:39868
• https://access.redhat.com/errata/RHSA-2026:41947
• https://access.redhat.com/errata/RHSA-2026:52399

Get alerted when CVE-2026-48618 or the next vulnerability affects your stack