CVE-2026-83418: High severity Oracle Communications Oracle Communications Cloud Native Core Security Edge Protection Proxy (SEPP) vulnerability
Vulnerability in the Oracle Communications Cloud Native Core Security Edge Protection Proxy product of Oracle Communications (component: SEPP). Supported versions that are affected are 26.1.200 and 25.2.201. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Communications Cloud Native Core Security Edge Protection Proxy. While the vulnerability is in Oracle Communications Cloud Native Core Security Edge Protection Proxy, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Communications Cloud Native Core Security Edge Protection Proxy accessible data as well as unauthorized access to critical data or complete access to all Oracle Communications Cloud Native Core Security Edge Protection Proxy accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
The affected supported versions are Oracle Communications Cloud Native Core Security Edge Protection Proxy 26.1.200 and 25.2.201, specifically the SEPP component.
What access does an attacker need to exploit this issue?
An attacker needs network access via HTTP and low-privileged access. User interaction is not required, although exploitation is rated difficult.
What could a successful attacker do?
A successful attack can allow unauthorized creation, deletion, or modification of critical or all SEPP-accessible data, as well as unauthorized access to critical or all SEPP-accessible data. The vulnerability may also significantly affect additional products because its scope can change.