---
id: "CVE-2026-87296"
kind: "vulnerability"
aliases: ["CVE-2026-87296"]
title: "Oracle Access Manager: unauthenticated HTTP flaw exposes critical data"
severity: "high"
cvss: 7.5
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["oracle-access-manager", "oracle-fusion-middleware", "runtime", "self-hosted"]
not_affected_if: ["unaffected-version"]
published_at: "2026-10-20T22:20:06+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T03:18:51+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-87296", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle Access Manager: unauthenticated HTTP flaw exposes critical data

Oracle Access Manager's Authentication Engine, in versions 12.2.1.4.0 and 14.1.2.1.0, has a flaw that an unauthenticated attacker can reach over HTTP from the network. A successful attack gives unauthorized access to critical data held by Oracle Access Manager.

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

## How to check

- Check the installed Oracle Access Manager version against `12.2.1.4.0` and `14.1.2.1.0`
- Confirm whether Oracle Access Manager is reachable over HTTP from untrusted networks

## Fix

- Apply the Oracle Critical Patch Update fix for Oracle Access Manager that covers CVE-2026-87296 (patch identifier unknown from the sources)

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-87296

## From the sources

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).  Supported versions that are affected are 12.2.1.4.0 and  14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager.  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

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