---
id: "CVE-2026-101763"
kind: "vulnerability"
aliases: ["CVE-2026-101763"]
title: "Oracle BRM Elastic Charging Engine: unauthenticated RMI flaw allows full takeover"
severity: "critical"
cvss: 9.8
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "Oracle Communications BRM - Elastic Charging Engine", "fixed": [], "affected": "15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0, 15.2.0.0.0", "ecosystem": "vendor"}]
ecosystems: []
tags: ["billing", "brm", "cloud-native", "oracle", "other", "rmi", "self-hosted", "telecom", "vendor"]
not_affected_if: ["not-cloud-native-deployment", "rmi-not-network-reachable", "versions-outside-15.0.0.0.0-to-15.2.0.0.0"]
published_at: "2026-10-20T22:18:31+00:00"
first_seen_at: "2026-10-23T21:57:23+00:00"
updated_at: "2026-10-23T23:07:08+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101763", "first_seen_at": "2026-10-23T21:57:23+00:00"}, {"source": "analyst", "url": null, "first_seen_at": "2026-10-23T23:07:08+00:00"}]
---

# Oracle BRM Elastic Charging Engine: unauthenticated RMI flaw allows full takeover

Oracle Communications BRM Elastic Charging Engine versions 15.0.0.0.0 through 15.2.0.0.0 have a flaw in the cloud native deployment component reachable over RMI. An unauthenticated attacker with network access can take over the product, with high impact to confidentiality, integrity and availability.

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

## Affected

- vendor:Oracle Communications BRM - Elastic Charging Engine affected 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0, 15.2.0.0.0 fixed ?

## How to check

Check installed BRM / Elastic Charging Engine release: affected if 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 or 15.2.0.0.0 with the cloud native deployment. Check whether the ECE RMI ports are reachable from untrusted networks (exact port not stated in public sources).

## Fix

Apply the October 2026 CPU patch for Oracle Communications BRM - Elastic Charging Engine via the My Oracle Support patch availability document; patched release number unknown from public sources. Until then restrict network access to the RMI endpoints.

## Timeline

- 2026-10-23T21:57:23+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101763
- 2026-10-23T23:07:08+00:00 analyst — Oracle CPU Oct 2026 (20 Oct) lists BRM Elastic Charging Engine 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0, 15.2.0.0.0 as affected; CVSS 9.8 per CVE record. Exact fixed version and RMI port guidance are in MOS patch availability doc (support login), not public; not read. No exploitation or PoC found (OpenCVE: KEV no, EPSS <1%). Did not search social posts.

## Documents

- [advisory] Oracle Critical Patch Update Advisory - October 2026 https://www.oracle.com/security-alerts/cpuoct2026.html
- [describes] CVE Record: CVE-2026-101763 https://www.cve.org/CVERecord?id=CVE-2026-101763

## From the sources

Vulnerability in the Oracle Communications BRM - Elastic Charging Engine product of Oracle Communications (component: Cloud native deployment).  Supported versions that are affected are 15.0.0.0.0, 15.0.1.0.0, 15.1.0.0.0 and  15.2.0.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via RMI to compromise Oracle Communications BRM - Elastic Charging Engine.  Successful attacks of this vulnerability can result in takeover of Oracle Communications BRM - Elastic Charging Engine. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

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