# CVE-2026-101791: Oracle Communications BRM Elastic Charging Engine TLS authentication bypass

Source: https://junglewise.ai/threats/cve-2026-101791-vulnerability-in-the-oracle-communications-brm-elastic-charging  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-20. Updated: 2026-10-20  
License: CC BY 4.0 with a link back

CVE-2026-101791 · Severity: high · CVSS 8.1 · Published 2026-10-20

Oracle Communications BRM Elastic Charging Engine is a billing and charging platform used by telecommunications providers. A low-privileged attacker with network access can exploit a TLS-related vulnerability to read, modify, or delete sensitive billing data and customer information. This could lead to data theft, service disruption, or fraudulent billing manipulation.

Technologies: [Oracle Communications BRM - Elastic Charging Engine](https://junglewise.ai/threats/technologies/communications-brm-elastic-charging-engine). Vendors: [Oracle](https://junglewise.ai/threats/vendors/oracle).

## Quick answers

**Is CVE-2026-101791 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101791 being exploited in the wild.

**How severe is CVE-2026-101791?** High severity, with a CVSS score of 8.1, published 20 October 2026.

**Which products and versions are affected?** Oracle Communications BRM - Elastic Charging Engine 15.2.0.0.0.

**Is there a fix for CVE-2026-101791?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-101791 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-101791?** Check whether you run Oracle Communications BRM - Elastic Charging Engine at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A low-privileged attacker with network access via TLS can exploit an authentication or authorization flaw in the Security component to gain unauthorized access to critical data. The vulnerability requires low privilege credentials but no user interaction, allowing an authenticated attacker to read, modify, or delete arbitrary data accessible to the application. No information about available patches is provided in the advisory.

## Affected products

- Oracle Communications BRM Elastic Charging Engine 15.2.0.0.0

## Timeline

- 2026-10-20: advisory

## References

- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

## Related threats

- [Oracle Communications BRM Elastic Charging Engine unauthorized data access](https://junglewise.ai/threats/cve-2026-101793-vulnerability-in-the-oracle-communications-brm-elastic-charging)
- [Oracle Communications BRM Elastic Charging Engine unauthorized data access via physical network access](https://junglewise.ai/threats/cve-2026-101792-vulnerability-in-the-oracle-communications-brm-elastic-charging)
- [Oracle Communications BRM Elastic Charging Engine RMI remote code execution](https://junglewise.ai/threats/cve-2026-101763-vulnerability-in-the-oracle-communications-brm-elastic-charging)
- [Oracle Communications BRM Elastic Charging Engine takeover in Diameter Gateway](https://junglewise.ai/threats/cve-2026-61053-oracle-communications-brm-elastic-charging-engine-takeover-in)