CVE-2026-87288

High

Description

Vulnerability in the Oracle GraalVM product of Oracle Java SE (component: Compiler). The supported version that is affected is Oracle GraalVM: 25.0.4.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle GraalVM. Successful attacks of this vulnerability can result in takeover of Oracle GraalVM. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

SeverityHigh

CVSS8.1

Exploit probability—

ProductOracle GraalVM

PublishedSep 15, 2026

First seenSep 15, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/oracle-open-source-cves-outside-other-oracle-public-documents.html

Affected products

Product	Affected versions	Fixed in
Oracle Corporation Oracle GraalVM	25.0.4.1	—

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