| Summary | 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**. |
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| Publication Date | June 26, 2026, 11:16 a.m. |
| Registration Date | June 27, 2026, 4:32 a.m. |
| Last Update | June 27, 2026, 1:16 a.m. |
| CVSS3.0 : HIGH | |
| スコア | 7.7 |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃に必要な特権レベル(PR) | 低 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更あり |
| 機密性への影響(C) | 高 |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | なし |