CVE Vulnerabilities

CVE-2026-87291

Improper Authentication

Published: Oct 20, 2026 | Modified: Oct 27, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
5.3 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Ubuntu
MEDIUM

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).

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

NameVendorStart VersionEnd Version
Red Hat Enterprise Linux 10RedHatjava-25-openjdk-1:25.0.5.0.8-1.0.el10*
Red Hat Enterprise Linux 9RedHatjava-25-openjdk-1:25.0.5.0.8-1.0.el9*
Openjdk-13Ubuntuesm-apps/focal*
Openjdk-16Ubuntuesm-apps/focal*
Openjdk-18Ubuntujammy*
Openjdk-27Ubuntuupstream*
Openjdk-9Ubuntuesm-apps-legacy/xenial*

Potential Mitigations

References