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CVE-2026-91409

3.7 low SSVC exploitation: none Published
NVD · CVE.org

Vulnerability in Oracle Java SE (component: Networking). The supported version that is affected is Oracle Java SE: 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 ability to cause a partial denial of service (partial DOS) of Oracle Java SE. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also 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. CVSS 3.1 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 5

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-23 19:56
  2. CwesCWE-400NVD modified 2026-10-23 20:17
  3. StatusPublished → Awaiting AnalysisNVD modified 2026-10-21 18:44
  4. StatusReceived → PublishedNVD modified 2026-10-20 21:25
  5. First seenCVSS 3.7NVD modified 2026-10-20 22:20

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1