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High 7.5

Oracle Java SEのJava pluginに認証後の情報漏えいや改ざんのおそれ

CVE-2026-91484 First seen on SecPulse

Summary

Oracle Java SEのJava plugin機能に脆弱性があり、攻撃に成功すると重要なデータが不正に作成・削除・改ざんされたり、アクセス可能なデータへ不正にアクセスされたりするおそれがあります。影響を受けるのはOracle Java SE 8u503および8u503-perfです。修正版の情報は事実に含まれていないため、最新の情報を確認してください。

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のJava plugin機能に脆弱性があり、攻撃に成功すると重要なデータが不正に作成・削除・改ざんされたり、アクセス可能なデータへ不正にアクセスされたりするおそれがあります。影響を受けるのはOracle Java SE 8u503および8u503-perfです。修正版の情報は事実に含まれていないため、最新の情報を確認してください。

Original description The description as published by the source.

Vulnerability in Oracle Java SE (component: Java plugin). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Java SE executes to compromise Oracle Java SE. While the vulnerability is in Oracle Java SE, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE accessible data. Note: This vulnerability 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. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).

Source: NIST National Vulnerability Database NVD GitHub Advisory

References

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