CVE-2026-91246
Analyzed Analyzed - Analysis Complete

Cross-Site Scripting in Oracle WebCenter Portal

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description
Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Runtime Tools). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebCenter Portal. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle WebCenter Portal, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle WebCenter Portal accessible data as well as unauthorized read access to a subset of Oracle WebCenter Portal accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-10-20
Last Modified
2026-11-04
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
CVE-2026-91246
EUVD
EUVD-2026-106501

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
oracle webcenter_portal 12.2.1.4.0
oracle webcenter_portal 14.1.2.0.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-352 The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows an unauthenticated attacker to remotely access the system via HTTP. Exploitation requires user interaction and can lead to unauthorized data access or modification.

Detection Guidance

Detection of CVE-2026-91246 requires checking for vulnerable versions of Oracle WebCenter Portal (12.2.1.4.0 or 14.1.2.0.0) and monitoring for unauthorized HTTP access attempts. Inspect Oracle WebCenter Portal logs for unusual activity or requests targeting the Runtime Tools component. Ensure network traffic analysis tools are in place to detect HTTP-based attacks.

Impact Analysis

An attacker could read or alter some data in Oracle WebCenter Portal. This may lead to data breaches, unauthorized changes, or further attacks on connected systems if additional products are affected.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, which may violate GDPR (data protection) or HIPAA (health data privacy) requirements. Organizations using affected versions may face compliance violations and penalties.

Mitigation Strategies

Apply the latest Oracle Critical Patch Update (CPU) for Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0 to address the vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-91246. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...