Java SE（Oracle Java / OpenJDK）に脆弱性（CVE-2026-91397）
概要
Java SE（Oracle Java / OpenJDK）に脆弱性が確認されました。
バージョン 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27に影響があります。
脆弱性の基本情報
| 脆弱性ID | CVE-2026-91397 |
|---|---|
| 危険度 | 低 |
| CVSSスコア |
3.6（CVSS v3.1） CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L |
| 公開日 | 2026年10月20日 |
| 更新日 | 2026年10月23日 |
影響を受ける製品
| 製品 | 影響を受けるバージョン | 修正版 | 出典 |
|---|---|---|---|
| Java SE（Oracle Java / OpenJDK） |
11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27 | — | CVE List（CVE Program） |
推奨対応
- Java SE（Oracle Java / OpenJDK）の提供元が公開している最新情報を確認し、公式の最新版へ更新してください。
情報元の原文
CVE List（CVE Program）
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Serviceability). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 3.6 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L).
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情報元
- CVE List（CVE Program）
https://www.cve.org/CVERecord?id=CVE-2026-91397