CVE-2026-83418
HighCVSS 8.2Summary
Vulnerability in Oracle Communications Cloud Native Core Security Edge Protection Proxy, component SEPP, affecting versions 26.1.200 and 25.2.201. A low-privileged authenticated attacker with HTTP network access can access data and create, delete, or modify data; the vulnerability is difficult to exploit but may impact other products. CVSS 3.1 Base Score 8.2.
Risk Assessment
An attacker can compromise the confidentiality and integrity of critical data in the communications infrastructure, and the impact may extend beyond the SEPP component. This may lead to unauthorized changes to configuration and data processed by the network.
Recommendation
Urgently apply the Oracle Critical Patch Update for Oracle Communications and restrict network access to the SEPP component. Also monitor for unusual HTTP traffic and review low-privileged accounts.
Other vulnerabilities in Oracle Communications Cloud Native Core Security Edge Protection Proxy
See all- CVE-2026-83419Medium
Vulnerability in Oracle Communications Cloud Native Core Security Edge Protection Proxy (component: SEPP) affects versions 26.1.200 and 25.2.201. A low privileged attacker with network access via HTTP can gain unauthorized update, insert, delete, and read access to some data.
- CVE-2026-83417High
Vulnerability in Oracle Communications Cloud Native Core Security Edge Protection Proxy, component SEPP, affecting versions 26.1.200 and 25.2.201. An unauthenticated attacker with access to the communication segment can access critical data and update, insert, or delete data. CVSS 3.1 Base Score 7.1.
Original NVD description (English source)
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).