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THREAT OPS › Threat News › [NVD] CVE-2026-34282 (HIGH 7.5) — 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: 1

[NVD] CVE-2026-34282 (HIGH 7.5) — 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: 1

lownvdPublished 2026-04-21

CVE-2026-34282 CVSS: 7.5 HIGH Published: 2026-04-21T21:16:32.643

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

MITRE ATT&CK techniques

Web ServiceT1102

Indicators of compromise

CVE-2026-34282cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-34282