CVE-2026-48934
Analyzed Analyzed - Analysis Complete
TLS Certificate Validation Bypass in Node.js

Publication date: 2026-06-26

Last updated on: 2026-06-26

Assigner: HackerOne

Description
A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-06-26
Last Modified
2026-06-26
Generated
2026-06-27
AI Q&A
2026-06-26
EPSS Evaluated
2026-06-26
NVD
CVE-2026-48934
EUVD
EUVD-2026-39612
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
nodejs node.js 26.3.0
nodejs node.js 24.16.0
nodejs node.js 22.22.3
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Mitigation Strategies

To mitigate this vulnerability, users should update Node.js to the latest patched versions in the supported release lines: Node.js 22, Node.js 24, and Node.js 26.

Executive Summary

This vulnerability is a flaw in the Node.js TLS host verification process that allows an attacker to bypass certification validation.

It affects all supported Node.js release lines including versions 22, 24, and 26.

Impact Analysis

An attacker exploiting this vulnerability could bypass TLS certificate validation, potentially allowing man-in-the-middle attacks or unauthorized interception of encrypted communications.

This could lead to exposure of sensitive data transmitted over supposedly secure connections.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-48934. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart