---
id: "CVE-2026-83388"
kind: "vulnerability"
aliases: ["CVE-2026-83388"]
title: "Oracle E-Business Suite: Applications Manager Diagnostics leaks some data to admins"
severity: "low"
cvss: 2.2
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["oracle-applications-manager", "oracle-ebs", "self-hosted", "vendor"]
not_affected_if: ["auth-required", "default-config"]
published_at: "2026-10-20T22:19:55+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T04:49:59+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83388", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle E-Business Suite: Applications Manager Diagnostics leaks some data to admins

The Diagnostics component of Oracle Applications Manager in E-Business Suite 12.2.3 through 12.2.15 lets a highly privileged attacker over HTTP read a subset of data the product holds. The attack is hard to pull off and only reveals information, with no change to data or availability.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed E-Business Suite release version against `12.2.3` through `12.2.15` in the Oracle EBS environment
- Confirm whether Oracle Applications Manager Diagnostics is reachable over HTTP from untrusted networks (unknown from sources)

## Fix

- Apply the Oracle Critical Patch Update for E-Business Suite that addresses CVE-2026-83388 (patch identifier unknown from sources)
- Move E-Business Suite to a supported release newer than `12.2.15` (unknown from sources)

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-83388

## From the sources

Vulnerability in the Oracle Applications Manager product of Oracle E-Business Suite (component: Diagnostics).  Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Applications Manager.  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle Applications Manager accessible data. CVSS 3.1 Base Score 2.2 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_