{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48618", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-05-22T15:00:09.276Z", "datePublished": "2026-06-26T01:14:36.868Z", "dateUpdated": "2026-06-26T15:10:40.049Z"}, "containers": {"cna": {"descriptions": [{"lang": "en", "value": "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.\r\n\r\nThis can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**."}], "affected": [{"defaultStatus": "unaffected", "vendor": "nodejs", "product": "node", "versions": [{"version": "22.22.3", "status": "affected", "lessThanOrEqual": "22.22.3", "versionType": "semver"}, {"version": "24.16.0", "status": "affected", "lessThanOrEqual": "24.16.0", "versionType": "semver"}, {"version": "26.3.0", "status": "affected", "lessThanOrEqual": "26.3.0", "versionType": "semver"}]}], "references": [{"url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"}], "metrics": [{"cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "baseScore": 7.7, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "cweId": "CWE-176", "description": "CWE-176 Improper Handling of Unicode Encoding"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-06-26T01:14:36.868Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-26T15:10:27.583362Z", "id": "CVE-2026-48618", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-26T15:10:40.049Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-48618", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-26T15:10:27.583362Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-26T15:10:33.683Z"}}], "cna": {"metrics": [{"cvssV3_0": {"version": "3.0", "baseScore": 7.7, "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"}}], "affected": [{"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"}], "references": [{"url": "https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"}], "descriptions": [{"lang": "en", "value": "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.\r\n\r\nThis can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-176", "description": "CWE-176 Improper Handling of Unicode Encoding"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-06-26T01:14:36.868Z"}}}, "cveMetadata": {"cveId": "CVE-2026-48618", "state": "PUBLISHED", "dateUpdated": "2026-06-26T15:10:40.049Z", "dateReserved": "2026-05-22T15:00:09.276Z", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "datePublished": "2026-06-26T01:14:36.868Z", "assignerShortName": "hackerone"}, "dataVersion": "5.2"}

{}

{"affected_release": [{"advisory": "RHSA-2026:29012", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "nodejs24-main-24.18.0-0.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-06-24T00:00:00Z"}, {"advisory": "RHSA-2026:7378", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "nodejs25-main-25.9.0-1.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-04-10T00:00:00Z"}, {"advisory": "RHSA-2026:9455", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "nodejs20-main-20.20.2-1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-04-21T00:00:00Z"}], "bugzilla": {"description": "nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch", "id": "2493337", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493337"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.7", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-289", "details": ["A flaw was found in Node.js. This flaw involves a mismatch in how Node.js handles TLS (Transport Layer Security) hostnames and unicode dot separators during authentication. This mismatch can lead to a wildcard-depth authentication bypass. An attacker could exploit this to bypass intended security boundaries, potentially leading to unauthorized access and confidentiality impact."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-48618", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "nodejs22", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "nodejs24", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "nodejs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "nodejs:22/nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "nodejs:24/nodejs", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "nodejs22", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "nodejs26", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-06-26T01:14:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-48618\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-48618\nhttps://nodejs.org/en/blog/vulnerability/june-2026-security-releases"], "statement": "This Important flaw in Node.js allows for a TLS wildcard-depth authentication bypass due to a mismatch in how hostnames and unicode dot separators are handled during authentication. This could enable an attacker to circumvent security boundaries, potentially leading to unauthorized access and compromise of sensitive information in applications utilizing Node.js for TLS connections. The issue affects Node.js versions 22, 24, and 26 as shipped in Red Hat products.", "threat_severity": "Important"}