CVE-2026-87347

Unauthorized Data Access and Modification via Oracle HTTP Server OSSL Module Vulnerability

Published Oct 20, 2026 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Description
Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle HTTP Server. While the vulnerability is in Oracle HTTP Server, 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 HTTP Server accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthorized Data Access and Modification via Oracle HTTP Server OSSL Module Vulnerability
Type Values Removed Values Added
Title Remote Data Modification via Oracle HTTP Server OSSL Module Vulnerability
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-200
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Remote Data Modification via Oracle HTTP Server OSSL Module Vulnerability
Weaknesses CWE-285
Type Values Removed Values Added
Description Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle HTTP Server. While the vulnerability is in Oracle HTTP Server, 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 HTTP Server accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).
First Time appeared Oracle
Oracle http Server
CPEs cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:http_server:14.1.2.0.0:*:*:*:*:*:*:*
Vendors & Products Oracle
Oracle http Server
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
oracle
Published
Updated
Oct 28, 2026, 1:29 PM
Reserved
Sep 8, 2026, 9:49 PM
Status
Analyzed
Published
Oct 20, 2026, 10:20 PM
Modified
Nov 5, 2026, 7:35 PM