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Servers and applications

CVE-2026-34282

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking). Supported versions that are affected are Oracle Java SE: 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and 21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Easily exploitable vulnerability allows unauthenticated…

Severity
High 7.5
Published
21 Apr 2026
Last changed
18 Sept 2026
Added to UpHeron
22 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
JavaServers and applications · cpe:a:oracle:jdk
  • Version 1.8.0-update481
  • Version 11.0.30
  • Version 17.0.18
  • Version 21.0.10
  • Version 25.0.2
  • Version 26
JavaServers and applications · cpe:a:oracle:jre
  • Version 1.8.0-update481
  • Version 11.0.30
  • Version 17.0.18
  • Version 21.0.10
  • Version 25.0.2
  • Version 26

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-34282
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-34282