CyberSecBulletin
CVE-2026-101763NVD status: Analyzed

Oracle Communications BRM - Elastic Charging…: Improper Authentication

Published Updated By the CyberSecBulletin desk

CVE-2026-101763 is a critical-severity improper authentication vulnerability in Oracle Communications BRM - Elastic Charging Engine from Oracle, with a CVSS 3.1 base score of 9.8 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Oracle Communications BRM - Elastic Charging Engine versions: 15.0.0.0.0; 15.0.1.0.0; 15.1.0.0.0, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.53% chance of exploitation within 30 days, which is low compared with other CVEs.

Patch this week

Critical severity: a successful attack would have severe impact.

What to do

  1. Check which version of Oracle Communications BRM - Elastic Charging Engine you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on oracle.com for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
OracleOracle Communications BRM - Elastic Charging Engine15.0.0.0.0; 15.0.1.0.0; 15.1.0.0.0; 15.2.0.0.0Not stated
OracleCommunications Billing And Revenue Management Elastic Charging Engine15.0.0.0.0; 15.0.1.0.0; 15.1.0.0.0; 15.2.0.0.0Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (oracle.com).

Official description

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).

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

How developers prevent this class of flaw

  • Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

More Improper Authentication vulnerabilities (CWE-287)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Oracle Communications BRM - Elastic Charging Engine

All Oracle Communications BRM - Elastic Charging Engine vulnerabilities

Recent Improper Authentication vulnerabilities

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