CVE-2026-83354

Deferred Deferred - Pending Action

Unauthorized Data Access in Oracle Coherence

Publication date: 2026-09-15

Last updated on: 2026-09-22

Assigner: Oracle

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).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-22

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83354

EUVD

EUVD-2026-79707

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	coherence	15.1.1.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-200	The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Coherence, a middleware product. It allows a low-privileged attacker with network access to potentially access sensitive data or gain full access to all data accessible by Oracle Coherence. The attack requires HTTP network access and has a medium severity score.

Detection Guidance

Detection requires checking for Oracle Coherence version 15.1.1.0.0. Verify installed versions via system package managers or Oracle's tools. Network scans can identify exposed instances via HTTP ports. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could lead to unauthorized access to critical data or complete access to all data that Oracle Coherence can access. This may include sensitive or confidential information, depending on the system's configuration.

Compliance Impact

This vulnerability allows unauthorized access to critical or all Oracle Coherence accessible data, which could lead to exposure of sensitive personal or health information. This may violate compliance requirements under GDPR for data protection and HIPAA for safeguarding protected health information if such data is compromised.

Mitigation Strategies

Apply Oracle's official patches or updates for Oracle Coherence 15.1.1.0.0. Restrict network access to HTTP ports via firewalls. Limit privileges for users accessing Oracle Coherence. Monitor for unusual data access patterns.

Hi! I’m here to help you understand CVE-2026-83354. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70