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Servers and applications

CVE-2026-91409

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…

Severity
Low 3.7
Published
20 Oct 2026
Last changed
23 Oct 2026
Added to UpHeron
3 Nov 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
JavaServers and applications · cna:oracle corporation|oracle java se
  • Every version up to 27

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-91409