---
id: "CVE-2026-101827"
kind: "vulnerability"
aliases: ["CVE-2026-101827"]
title: "Oracle E-Business Suite HCM Common Architecture: low-privilege attackers can access critical data"
severity: "high"
cvss: 7.1
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise-erp", "hcm", "oracle-ebs", "self-hosted", "vendor"]
not_affected_if: ["no-hcm-common-architecture", "not-ebs-12.2.3-12.2.15"]
published_at: "2026-10-20T22:18:38+00:00"
first_seen_at: "2026-10-23T21:57:23+00:00"
updated_at: "2026-10-25T03:34:22+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101827", "first_seen_at": "2026-10-23T21:57:23+00:00"}]
---

# Oracle E-Business Suite HCM Common Architecture: low-privilege attackers can access critical data

Oracle E-Business Suite's HCM Common Architecture component, in the Internal Operations area, has a flaw that lets a low-privileged user reach it over HTTP. Successful exploitation can create, modify or delete critical data, read it, or partly disrupt the service.

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

## How to check

- Confirm whether Oracle E-Business Suite 12.2.3 through 12.2.15 is deployed, with the HCM Common Architecture component installed
- Check the patch level against Oracle's Critical Patch Update advisory for the matching release: unknown from the sources

## Fix

- Apply the Oracle Critical Patch Update fix for Oracle E-Business Suite HCM Common Architecture: the fixed version is unknown from the sources
- Move off the affected range 12.2.3-12.2.15 to a patched release: unknown from the sources

## Timeline

- 2026-10-23T21:57:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101827

## From the sources

Vulnerability in the Oracle HCM Common Architecture product of Oracle E-Business Suite (component: Internal Operations).  Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle HCM Common Architecture.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle HCM Common Architecture accessible data as well as  unauthorized access to critical data or complete access to all Oracle HCM Common Architecture accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle HCM Common Architecture. CVSS 3.1 Base Score 7.1 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L).

---

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