Oracle Java SE/GraalVM Enterprise Edition 8u503/8u503-perf/21.3.19.1.1 2D privileges management

Summaryinfo

A vulnerability classified as problematic was found in Oracle Java SE and GraalVM Enterprise Edition 8u503/8u503-perf/21.3.19.1.1. The impacted element is an unknown function of the component 2D. Such manipulation leads to privileges management. This vulnerability is documented as CVE-2026-91381. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Oracle Java SE and GraalVM Enterprise Edition 8u503/8u503-perf/21.3.19.1.1. Affected by this issue is an unknown function of the component 2D. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is integrity. CVE summarizes:

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).

The advisory is available at oracle.com. This vulnerability is handled as CVE-2026-91381 since 09/15/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/21/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Programming Language Software

Vendor

• Oracle

Name

• GraalVM Enterprise Edition
• Java SE

Version

• 8u503
• 8u503-perf
• 21.3.19.1.1

License

• open-source

Website

• Vendor: https://www.oracle.com

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