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Vulnerability in the Oracle Communications Cloud Native Core Security Edge Protection Proxy product of Oracle Communications (component: SEPP). (CVE-2026-83417)

0
High
Published: 09/15/2026 (09/15/2026, 21:32:37 UTC)
Source: GCVE Database

Description

A vulnerability exists in Oracle Communications Cloud Native Core Security Edge Protection Proxy (SEPP) versions 25.2.201 and 26.1.200. It allows an unauthenticated attacker with access to the physical communication segment of the hardware running SEPP to compromise the product. Successful exploitation can lead to unauthorized access to critical data and unauthorized modification of some accessible data. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity with significant confidentiality impact and some integrity impact.

CVSS v3.1

Score 7.1high

Attack Vector
Adjacent Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected software

Affected versions
>=25.2.201 <=25.2.201>=26.1.200 <=26.1.200

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/16/2026, 03:52:14 UTC

Technical Analysis

CVE-2026-83417 is a vulnerability in Oracle Communications Cloud Native Core Security Edge Protection Proxy (SEPP) affecting versions 25.2.201 and 26.1.200. The flaw allows an unauthenticated attacker who has access to the physical communication segment attached to the hardware running SEPP to compromise the product. This can result in unauthorized access to critical data and unauthorized update, insert, or delete operations on some accessible data. The CVSS 3.1 vector is AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N with a base score of 7.1. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which contains numerous security fixes across multiple products including SEPP.

Potential Impact

The vulnerability enables unauthorized access to critical data and unauthorized modification of some data within Oracle Communications Cloud Native Core Security Edge Protection Proxy. This could compromise confidentiality and integrity of data accessible by the product. There is no reported impact on availability. Exploitation requires physical network segment access, limiting remote exploitation scenarios.

Mitigation Recommendations

Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update. Customers running affected versions 25.2.201 and 26.1.200 of Oracle Communications Cloud Native Core Security Edge Protection Proxy should apply the relevant patches from this update promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to mitigate this and other vulnerabilities.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-4m99-j2rv-85p5
Osv Schema Version
1.4.0
Aliases
["CVE-2026-83417"]
Database Specific Severity
HIGH
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6aaa07dc55bf5e2cf5ea3280

Added to database: 09/16/2026, 03:07:08 UTC

Last enriched: 09/16/2026, 03:52:14 UTC

Last updated: 09/16/2026, 04:01:24 UTC

Views: 1

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