--- title: "CVE-2026-83368: Oracle GraalVM - Broken Access Control" description: "Oracle GraalVM for JDK 17 23.0.13.1, JDK 21 23.1.12.1, GraalVM Enterprise Edition 21.3.19.1, and GraalVM 25.0.4.1 contain an unauthorized access vulnerability caused by a flaw in the Compiler component, letting unauthenticated network attackers access and partially disrupt data, exploit requires network access via HTTP with high complexity." url: https://panop.io/threat-heartbeat/CVE-2026-83368/ --- # CVE-2026-83368 Oracle GraalVM - Broken Access Control Oracle GraalVM for JDK 17 23.0.13.1, JDK 21 23.1.12.1, GraalVM Enterprise Edition 21.3.19.1, and GraalVM 25.0.4.1 contain an unauthorized access vulnerability caused by a flaw in the Compiler component, letting unauthenticated network attackers access and partially disrupt data, exploit requires network access via HTTP with high complexity. CVSS base score 7.0 /10 High CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.28% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-83368) ## Details Type Broken Access Control Impact Information Disclosure, Data Tampering, Denial Of Service CVSS vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L Published 15 September 2026 Updated 15 October 2026 Weakness [CWE-284](https://cwe.mitre.org/data/definitions/284.html) ## Vendor fix Update to the latest available version of Oracle GraalVM for JDK and Enterprise Edition. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-83368](https://nvd.nist.gov/vuln/detail/CVE-2026-83368) - [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)