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CVE-2026-83300: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle XML Gateway. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle XML Gateway accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle XML Gateway. in Oracle Corporation Oracle XML Gateway

0
High
VulnerabilityCVE-2026-83300cvecve-2026-83300
Published: 09/15/2026 (09/15/2026, 20:04:52 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle XML Gateway

Description

CVE-2026-83300 is a high-severity vulnerability in Oracle XML Gateway versions 12.2.3 through 12.2.15. It allows a low privileged attacker with network access via HTTP to gain unauthorized access to critical data or all data accessible through Oracle XML Gateway. The vulnerability also enables the attacker to cause a partial denial of service. The CVSS 3.1 base score is 7.1, reflecting high confidentiality impact and low availability impact. Oracle has included this vulnerability in its September 2026 Critical Security Patch Update, which provides patches for affected versions.

CVSS v3.1

Score 7.1high

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

Affected software

Oracle Corporation

Oracle XML Gateway

Affected versions
>=12.2.3 <=12.2.15

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 23:00:31 UTC

Technical Analysis

This vulnerability affects Oracle XML Gateway component of Oracle E-Business Suite, specifically versions 12.2.3 to 12.2.15. It permits a low privileged attacker with network access via HTTP to compromise the gateway, resulting in unauthorized access to critical or all accessible data and the ability to cause partial denial of service. The CVSS vector indicates network attack vector, low attack complexity, low privileges required, no user interaction, unchanged scope, high confidentiality impact, no integrity impact, and low availability impact. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update.

Potential Impact

Successful exploitation can lead to unauthorized access to critical or all data accessible via Oracle XML Gateway and partial denial of service conditions. This compromises confidentiality and availability of the affected system. There is no reported impact on integrity. No known exploits are reported in the wild at this time.

Mitigation Recommendations

Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers are strongly advised to apply the relevant patches promptly to affected versions (12.2.3 through 12.2.15). Oracle recommends remaining on actively supported versions and applying security patches without delay. No alternative mitigations or workarounds are specified in the advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.351Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a83c55bf5e2cf553814f

Added to database: 09/15/2026, 20:19:08 UTC

Last enriched: 09/15/2026, 23:00:31 UTC

Last updated: 09/15/2026, 23:18:53 UTC

Views: 3

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