CVE-2026-83231 Missing authorization in Helidon
An unauthenticated attacker can access, modify, or disrupt data in Helidon applications using the MongoDB client library.
- 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-2026-83231?
CVE-2026-83231 is a high-severity missing authorization vulnerability in Oracle Corporation Helidon, 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 Helidon product of Oracle Fusion Middleware (component: helidon-dbclient-mongodb). Supported versions that are affected are 3.0.0-3.2.20 and 4.0.0-4.5.4. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Helidon accessible data as well as unauthorized update, insert or delete access to some of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. 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-2026-83231?
How do I fix CVE-2026-83231?
No fix has been published for CVE-2026-83231 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-83231 being exploited?
There is no known exploitation of CVE-2026-83231 in the wild and no public exploit code.
Sources
Also known as GHSA-72jq-fq67-46gc.