CVE-2026-83368 Information disclosure in Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle GraalVM
Unauthenticated attackers can access critical data, modify some data, and cause partial denial of service in Oracle GraalVM via HTTP.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83368?
CVE-2026-83368 is a high-severity vulnerability in Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle GraalVM, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Vulnerability in the Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle GraalVM product of Oracle Java SE (component: Compiler). The supported version that is affected is Oracle GraalVM for JDK 17: 23.0.13.1; Oracle GraalVM for JDK 21: 23.1.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1; Oracle GraalVM: 25.0.4.1. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle GraalVM. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle GraalVM accessible data as well as unauthorized update, insert or delete access to some of Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle GraalVM accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, Oracle GraalVM. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L).
Weakness: CWE-284
Which versions are affected by CVE-2026-83368?
How do I fix CVE-2026-83368?
No fix has been published for CVE-2026-83368 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-83368 being exploited?
There is no known exploitation of CVE-2026-83368 in the wild and no public exploit code.
Sources
Also known as GHSA-7hqr-jpxp-whq8, UBUNTU-CVE-2026-83368.