| Summary | Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat via invalid chunk extension. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M1 through 9.0.115, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.20, 10.1.52 or 9.0.116, which fix the issue. |
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| Publication Date | April 10, 2026, 5:16 a.m. |
| Registration Date | April 15, 2026, 11:34 a.m. |
| Last Update | April 15, 2026, 5:02 a.m. |
| CVSS3.1 : HIGH | |
| スコア | 7.5 |
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| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/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) | 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) | なし |
| 完全性への影響(I) | 高 |
| 可用性への影響(A) | なし |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | 9.0.0 | 9.0.116 | |||
| cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | 10.1.0 | 10.1.53 | |||
| cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* | 11.0.0 | 11.0.20 | |||