| Summary | When configured to use an SSL bundle, Spring Boot's Elasticsearch auto-configuration does not perform hostname verification when connecting to the Elasticsearch server. Affected: Spring Boot 4.0.0–4.0.5; upgrade to 4.0.6 or later per vendor advisory. |
|---|---|
| Publication Date | April 28, 2026, 4:16 a.m. |
| Registration Date | April 29, 2026, 4:07 a.m. |
| Last Update | April 28, 2026, 4:26 a.m. |
| CVSS3.1 : MEDIUM | |
| スコア | 5.0 |
|---|---|
| Vector | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
| 攻撃元区分(AV) | 隣接 |
| 攻撃条件の複雑さ(AC) | 高 |
| 攻撃に必要な特権レベル(PR) | 不要 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更なし |
| 機密性への影響(C) | 低 |
| 完全性への影響(I) | 低 |
| 可用性への影響(A) | 低 |