CVE-2026-83354 Information disclosure in Oracle Coherence
A low-privileged attacker can exploit this vulnerability to gain unauthorized access to critical data within 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-2026-83354?
CVE-2026-83354 is a medium-severity 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). The supported version that is affected is 15.1.1.0.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Coherence. While the vulnerability is in Oracle Coherence, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Coherence accessible data. CVSS 3.1 Base Score 6.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N).
Weakness: CWE-200
Which versions are affected by CVE-2026-83354?
How do I fix CVE-2026-83354?
No fix has been published for CVE-2026-83354 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-83354 being exploited?
There is no known exploitation of CVE-2026-83354 in the wild and no public exploit code.
Sources
Also known as GHSA-9m6h-985f-g599.