CVE-2026-48618

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Source
https://cve.org/CVERecord?id=CVE-2026-48618
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-48618.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-48618
Downstream
Related
Published
2026-06-26T01:14:36.868Z
Modified
2026-06-28T04:04:00.089750780Z
Severity
  • 7.7 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.

This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "22.22.3"
                },
                {
                    "last_affected": "24.16.0"
                },
                {
                    "last_affected": "26.3.0"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cwe_ids": [
        "CWE-176"
    ],
    "cna_assigner": "hackerone",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48618.json"
}
References

Affected packages

Git / github.com/nodejs/node

Affected ranges

Type
GIT
Repo
https://github.com/nodejs/node
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
fdfa0ff0dbaf0fbf4d7d6d89a2ab807f3177fa5c
Last affected
c7d10158bc31036de6783d66beaaaf551e3167aa
Last affected
b7e6a5d37e7a14ef0f2cc95214b95d66c4081415
Database specific 
{
    "cpe": [
        "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:*:*:*:-:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "22.22.3"
        },
        {
            "last_affected": "24.16.0"
        },
        {
            "last_affected": "26.3.0"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

v0.*
v0.0.1
v0.0.2
v0.0.3
v0.0.4
v0.0.6
v0.1.0
v0.1.1
v0.1.10
v0.1.100
v0.1.101
v0.1.102
v0.1.103
v0.1.104
v0.1.11
v0.1.12
v0.1.13
v0.1.14
v0.1.15
v0.1.16
v0.1.17
v0.1.18
v0.1.19
v0.1.2
v0.1.20
v0.1.21
v0.1.22
v0.1.23
v0.1.24
v0.1.25
v0.1.26
v0.1.27
v0.1.28
v0.1.29
v0.1.3
v0.1.30
v0.1.31
v0.1.32
v0.1.33
v0.1.4
v0.1.5
v0.1.6
v0.1.7
v0.1.8
v0.1.9
v0.1.92
v0.1.93
v0.1.94
v0.1.95
v0.1.96
v0.1.97
v0.1.98
v0.1.99
v0.2.0
v0.3.0
v0.3.1
v0.3.2
v0.3.4
v0.3.5
v0.3.6
v0.3.7
v0.3.8
v0.4.0
v0.5.0
v0.5.1
v0.5.10
v0.5.2
v0.5.3
v0.5.4
v0.5.5
v0.5.5-rc1
v0.5.6
v0.5.7
v0.5.8
v0.5.9
v0.6.0
v0.6.1
v0.7.0
v0.7.2
v0.7.3
v1.*
v1.0.1
v1.0.1-release
v1.0.2
v1.0.2-release
v1.0.3
v1.0.4
v1.1.0
v1.2.0
v1.3.0
v1.4.1
v1.4.2
v1.4.3
v1.5.0
v1.5.1
v1.6.0
v1.6.1
v1.6.2
v1.6.3
v1.6.4
v1.7.0
v1.7.1
v2.*
v2.0.0
v2.0.1
v2.0.2
v2.1.0
v2.2.0
v2.2.1
v2.3.0
v2.3.1
v2.3.2
v2.3.3
v2.3.4
v2.4.0
v2.5.0
v22.*
v22.0.0
v22.1.0
v22.10.0
v22.11.0
v22.12.0
v22.13.0
v22.13.1
v22.14.0
v22.15.0
v22.15.1
v22.16.0
v22.17.0
v22.17.1
v22.18.0
v22.19.0
v22.2.0
v22.20.0
v22.21.0
v22.21.1
v22.22.0
v22.22.1
v22.22.2
v22.22.3
v22.3.0
v22.4.0
v22.4.1
v22.5.0
v22.5.1
v22.6.0
v22.7.0
v22.8.0
v22.9.0
v24.*
v24.0.0
v24.0.1
v24.0.2
v24.1.0
v24.10.0
v24.11.0
v24.11.1
v24.12.0
v24.13.0
v24.13.1
v24.14.0
v24.14.1
v24.15.0
v24.16.0
v24.2.0
v24.3.0
v24.4.0
v24.4.1
v24.5.0
v24.6.0
v24.7.0
v24.8.0
v24.9.0
v26.*
v26.0.0
v26.1.0
v26.2.0
v26.3.0
v3.*
v3.0.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-48618.json"