Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE).

Summary

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u501, 11.0.32, 17.0.20, 21.0.12, 25.0.4, 26.0.2; Oracle GraalVM for JDK: 17.0.20 and 21.0.12; Oracle GraalVM Enterprise Edition: 21.3.19. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. 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 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Timeline

1. Aug 18, 2026, 9:02 PM UTCCVE published
2. Aug 19, 2026, 12:33 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: partial

3. Aug 19, 2026, 12:55 PM UTCRecord last updated

Affected versions

• Oracle Corporation Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition

  Oracle Java SE:8u501, Oracle Java SE:11.0.32, Oracle Java SE:17.0.20, Oracle Java SE:21.0.12, Oracle Java SE:25.0.4, Oracle Java SE:26.0.2, Oracle GraalVM for JDK:17.0.20, Oracle GraalVM for JDK:21.0.12, Oracle GraalVM Enterprise Edition:21.3.19

References 1