MEDIUMCVSS v3.1 5.3Vulnerability

CVE-2026-87291

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).

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Epss score
0.00316
Cvss score
5.3
Cvss severity
MEDIUM
Retrieved at
2026-10-22T22:17:35+00:00
Score
5.3
Last source
FIRST EPSS
Cvss version
3.1
Cve id
CVE-2026-87291
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
First seen by Signal
2026-10-21T22:34:38+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Published at
2026-10-20T22:20:06.047
Last modified
2026-10-21T18:44:19.627
Epss percentile
0.23255

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CVE-2026-87291 (CVSS v3.1 5.3) — Ninja Signal Threat Intelligence | Ninja Signal