CVE-2026-83412 Missing authorization in Oracle Coherence
A low-privileged attacker can exploit this vulnerability to read, create, delete, or modify critical data in Oracle Coherence.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-83412?
CVE-2026-83412 is a high-severity missing authorization vulnerability in Oracle Coherence, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via TCP to compromise Oracle Coherence. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Coherence accessible data as well as unauthorized access to critical data or complete access to all Oracle Coherence accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-83412?
It affects 1 product.
Products include Oracle Coherence.
How do I fix CVE-2026-83412?
No fix has been published for CVE-2026-83412 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-2026-83412 being exploited?
There is no known exploitation of CVE-2026-83412 in the wild and no public exploit code.
Other vulnerabilities in Oracle Coherence
Sources
Also known as GHSA-9fv6-rx4r-vrqp.