CVE-2026-48934

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 v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://nodejs.org/en/blog/vulnerability/june-2026-security-releases	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nodejs:node.js:22.22.3::::-:::
	cpe:2.3:a:nodejs:node.js:24.16.0::::-:::
	cpe:2.3:a:nodejs:node.js:26.3.0::::-:::

History

29 Jun 2026, 14:16

Type	Values Removed	Values Added
CWE		CWE-295

26 Jun 2026, 20:14

Type	Values Removed	Values Added
References	~~() https://nodejs.org/en/blog/vulnerability/june-2026-security-releases -~~	() https://nodejs.org/en/blog/vulnerability/june-2026-security-releases - Patch, Vendor Advisory
CWE		NVD-CWE-noinfo
First Time		Nodejs Nodejs node.js
CPE		cpe:2.3:a:nodejs:node.js:22.22.3::::-::: cpe:2.3:a:nodejs:node.js:26.3.0::::-::: cpe:2.3:a:nodejs:node.js:24.16.0::::-:::

26 Jun 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-26 02:16

Updated : 2026-06-29 14:16

NVD link : CVE-2026-48934

Mitre link : CVE-2026-48934

CVE.ORG link : CVE-2026-48934

JSON object : View

Products Affected

nodejs

node.js

CWE

NVD-CWE-noinfo CWE-295

Improper Certificate Validation

{"id": "CVE-2026-48934", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48934", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-26T13:35:45.737892Z"}}], "cvssMetricV30": [{"type": "Secondary", "source": "support@hackerone.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "affected": [{"source": "support@hackerone.com", "affectedData": [{"vendor": "nodejs", "product": "node", "versions": [{"status": "affected", "version": "22.22.3", "versionType": "semver", "lessThanOrEqual": "22.22.3"}, {"status": "affected", "version": "24.16.0", "versionType": "semver", "lessThanOrEqual": "24.16.0"}, {"status": "affected", "version": "26.3.0", "versionType": "semver", "lessThanOrEqual": "26.3.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-26T02:16:52.950", "references": [{"url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases", "tags": ["Patch", "Vendor Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**."}], "lastModified": "2026-06-29T14:16:54.390", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "3C0C5080-5F99-4651-9855-2DE03C9070C5"}, {"criteria": "cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "3B912C84-1AA5-4D74-AB1A-64162C80A33B"}, {"criteria": "cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "8152ACE6-3CAF-4CA0-8B19-D4753811EB44"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}