Oracle Java SEに重大な脆弱性、悪用の確認は未公表
Summary
Oracle Java SE、Oracle GraalVM for JDK、Oracle GraalVM Enterprise Edition の通信機能(JSSE)に、認証なしでネットワーク越しに攻撃できる重大な脆弱性が見つかりました。成功すると、扱うデータの閲覧や改ざんにつながるおそれがあります。自社で使っている Java の版を洗い出し、Oracle の告知に沿って修正版へ更新してください。
AI summary
Written by an external AI model and may contain mistakes. Check the original description and references below before acting on it.
Oracle Java SE、Oracle GraalVM for JDK、Oracle GraalVM Enterprise Edition の通信機能(JSSE)に、認証なしでネットワーク越しに攻撃できる重大な脆弱性が見つかりました。成功すると、扱うデータの閲覧や改ざんにつながるおそれがあります。自社で使っている Java の版を洗い出し、Oracle の告知に沿って修正版へ更新してください。
Affected packages
| Ecosystem | Package | Affected | Fixed |
|---|---|---|---|
| Oracle Corporation | Oracle Java SE | — | — |
| Oracle Corporation | Oracle GraalVM for JDK | — | — |
| Oracle Corporation | Oracle GraalVM Enterprise Edition | — | — |
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-91403 openjdk-17
- Ubuntu UBUNTU-CVE-2026-91403 openjdk-8
Original description The description as published by the source.
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u511, 8u511-perf, 11.0.33, 17.0.21, 21.0.13, 25.0.5, 27.0.1; Oracle GraalVM for JDK: 17.0.21 and 21.0.13; Oracle GraalVM Enterprise Edition: 21.3.20. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).
Source: CVE.org (CVE Program・cvelistV5) NVD GitHub Advisory
References
- REDHAT Red Hat
- web oracle.com
- web nvd.nist.gov
- web github.com