CVE-2026-70907

Medium

Description

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).

SeverityMedium
CVSS5.3
Exploit probability—
ProductOracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition
PublishedAug 18, 2026
First seenAug 18, 2026

How to fix

Affected products

ProductAffected versionsFixed in
Oracle Corporation Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise EditionOracle 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—

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