TLS Host Verification Flaw in Node.js by OpenJS Foundation
CVE-2026-48934

4.3MEDIUM

Key Information:

Vendor

Nodejs

Status
Node
Vendor
CVE Published:
26 June 2026

What is CVE-2026-48934?

A vulnerability exists in Node.js that allows attackers to bypass the TLS host verification process. This flaw impacts the security of communications and could potentially allow unauthorized access to sensitive information. All supported release lines of Node.js, including versions 22, 24, and 26, are affected, making it crucial for developers to update to remove this risk.

Affected Version(s)

node 22.22.3

node 24.16.0

node 26.3.0

References

https://nodejs.org/en/blog/vulnerability/june-2026-securi...

CVSS V3.0

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.