---
title: "CVE-2026-83418: Oracle Communications Cloud Native Core Security Edge Protection Proxy - Broken Access Control"
description: "Oracle Communications Cloud Native Core Security Edge Protection Proxy 26.1.200 and 25.2.201 contains a broken access control vulnerability caused by improper authorization in SEPP component, letting low privileged attackers with network HTTP access create, delete, or modify critical data, exploit requires network access with low privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-83418/
---

# CVE-2026-83418 Oracle Communications Cloud Native Core Security Edge Protection Proxy - Broken Access Control

Oracle Communications Cloud Native Core Security Edge Protection Proxy 26.1.200 and 25.2.201 contains a broken access control vulnerability caused by improper authorization in SEPP component, letting low privileged attackers with network HTTP access create, delete, or modify critical data, exploit requires network access with low privileges.

CVSS base score 8.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.28% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-83418)

## Details

Type

Broken Access Control

Impact

Data Tampering, Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Published

15 September 2026

Updated

15 October 2026

Weakness

[CWE-284](https://cwe.mitre.org/data/definitions/284.html)

## Vendor fix

Update to the latest available version beyond 26.1.200 or 25.2.201.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-83418](https://nvd.nist.gov/vuln/detail/CVE-2026-83418)
- [https://www.oracle.com/security-alerts/cspusep2026.html](https://www.oracle.com/security-alerts/cspusep2026.html)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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