CVE-2026-87291
Public on 2026-10-20
Modified on 2026-10-22
Description
Vulnerability in Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 21.0.12.1, 25.0.4.1 and 27. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | java-1.7.0-openjdk | No Fix Planned | ||
| Amazon Linux 2 - Corretto8 Extra | java-1.8.0-amazon-corretto | Pending Fix | ||
| Amazon Linux 2023 | java-1.8.0-amazon-corretto | Pending Fix | ||
| Amazon Linux 2027 Preview | java-1.8.0-amazon-corretto | Pending Fix | ||
| Amazon Linux 2 - Core | java-1.8.0-openjdk | Pending Fix | ||
| Amazon Linux 2 - Core | java-11-amazon-corretto | Pending Fix | ||
| Amazon Linux 2023 | java-11-amazon-corretto | Pending Fix | ||
| Amazon Linux 2027 Preview | java-11-amazon-corretto | Pending Fix | ||
| Amazon Linux 2 - Java-openjdk11 Extra | java-11-openjdk | No Fix Planned | ||
| Amazon Linux 2 - Core | java-17-amazon-corretto | Pending Fix | ||
| Amazon Linux 2023 | java-17-amazon-corretto | Pending Fix | ||
| Amazon Linux 2027 Preview | java-17-amazon-corretto | Pending Fix | ||
| Amazon Linux 2023 | java-21-amazon-corretto | Pending Fix | ||
| Amazon Linux 2027 Preview | java-21-amazon-corretto | Pending Fix | ||
| Amazon Linux 2023 | java-22-amazon-corretto | No Fix Planned | ||
| Amazon Linux 2023 | java-23-amazon-corretto | No Fix Planned | ||
| Amazon Linux 2023 | java-24-amazon-corretto | No Fix Planned | ||
| Amazon Linux 2023 | java-25-amazon-corretto | Pending Fix | ||
| Amazon Linux 2027 Preview | java-25-amazon-corretto | Pending Fix | ||
| Amazon Linux 2023 | java-26-amazon-corretto | No Fix Planned | ||
| Amazon Linux 2023 | java-27-amazon-corretto | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |