Bug 2493332 (CVE-2026-48934)

Summary:	CVE-2026-48934 nodejs: Node.js: Certification validation bypass in TLS host verification
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	kaycoth, rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in Node.js. An attacker can exploit a vulnerability in the Transport Layer Security (TLS) host verification process to bypass certification validation. This bypass could allow an attacker to intercept or alter communications, potentially leading to information disclosure or integrity compromise.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2493825, 2493826, 2493827
Bug Blocks:

Description OSIDB Bzimport 2026-06-26 02:02:06 UTC

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**.

Comment 2 errata-xmlrpc 2026-07-06 04:37:04 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:35841 https://access.redhat.com/errata/RHSA-2026:35841

Comment 3 errata-xmlrpc 2026-07-06 05:16:34 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:35842 https://access.redhat.com/errata/RHSA-2026:35842

Comment 4 errata-xmlrpc 2026-07-06 14:23:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:35891 https://access.redhat.com/errata/RHSA-2026:35891

Comment 5 errata-xmlrpc 2026-07-06 14:45:12 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:35892 https://access.redhat.com/errata/RHSA-2026:35892

Comment 6 errata-xmlrpc 2026-07-15 11:23:39 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:39868 https://access.redhat.com/errata/RHSA-2026:39868

Comment 7 errata-xmlrpc 2026-07-20 13:07:08 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:41947 https://access.redhat.com/errata/RHSA-2026:41947