CVE-2026-87255
No fix known EPSS <1%CVSS 3.7
Vulnerability in Oracle Java SE (component: Compiler). Supported versions that are affected are Oracle Java SE: 25.0.4.1 and 27. Difficult to exploit 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 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
Products: Oracle Corporation Oracle Java SE
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 13 | openjdk-25 | no fix |
| Debian 14 | openjdk-25 | no fix |
| Debian 14 | openjdk-27 | no fix |
| Ubuntu 16.04 LTS | openjdk-9 | no fix |
| Ubuntu 20.04 LTS | openjdk-13 | no fix |
| Ubuntu 20.04 LTS | openjdk-16 | no fix |
| Ubuntu 22.04 LTS | openjdk-17 | no fix |
| Ubuntu 22.04 LTS | openjdk-18 | no fix |
| Ubuntu 22.04 LTS | openjdk-21 | no fix |
| Ubuntu 22.04 LTS | openjdk-25 | no fix |
| Ubuntu 22.04 LTS | openjdk-8 | no fix |
| Ubuntu 22.04 LTS | openjdk-lts | no fix |
| Ubuntu 24.04 LTS | openjdk-17 | no fix |
| Ubuntu 24.04 LTS | openjdk-21 | no fix |
| Ubuntu 24.04 LTS | openjdk-25 | no fix |
| Ubuntu 24.04 LTS | openjdk-8 | no fix |
| Ubuntu 26.04 LTS | openjdk-17 | no fix |
| Ubuntu 26.04 LTS | openjdk-17-crac | no fix |
| Ubuntu 26.04 LTS | openjdk-21 | no fix |
| Ubuntu 26.04 LTS | openjdk-21-crac | no fix |
| Ubuntu 26.04 LTS | openjdk-25 | no fix |
| Ubuntu 26.04 LTS | openjdk-8 | no fix |
| Ubuntu 26.04 LTS | openjdk-lts | no fix |
| Ubuntu 26.10 | openjdk-17 | no fix |
| Ubuntu 26.10 | openjdk-17-crac | no fix |
| Ubuntu 26.10 | openjdk-21 | no fix |
| Ubuntu 26.10 | openjdk-21-crac | no fix |
| Ubuntu 26.10 | openjdk-25 | no fix |
| Ubuntu 26.10 | openjdk-27 | no fix |
| Ubuntu 26.10 | openjdk-8 | no fix |
| Ubuntu 26.10 | openjdk-lts | no fix |
| Ubuntu Pro 16.04 LTS | openjdk-8 | no fix |
| Ubuntu Pro 18.04 LTS | openjdk-17 | no fix |
| Ubuntu Pro 18.04 LTS | openjdk-8 | no fix |
| Ubuntu Pro 18.04 LTS | openjdk-lts | no fix |
| Ubuntu Pro 20.04 LTS | openjdk-17 | no fix |
| Ubuntu Pro 20.04 LTS | openjdk-21 | no fix |
| Ubuntu Pro 20.04 LTS | openjdk-8 | no fix |
| Ubuntu Pro 20.04 LTS | openjdk-lts | no fix |
| Ubuntu Pro 24.04 LTS | openjdk-lts | no fix |