Skip to main content

CVE-2026-83049: Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebCenter Portal. 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 access to critical data or complete access to all Oracle WebCenter Portal accessible data as well as unauthorized update, insert or delete access to some of

0
High
VulnerabilityCVE-2026-83049cvecve-2026-83049
Published: 09/15/2026 (09/15/2026, 20:03:05 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle WebCenter Portal

Description

CVE-2026-83049 is a high-severity vulnerability in Oracle WebCenter Portal versions 12.2.1.4.0 and 14.1.2.0.0. It allows a low privileged attacker with network access via HTTP to compromise the portal, potentially gaining unauthorized access to critical data and the ability to update, insert, or delete some data. The vulnerability has a CVSS 3.1 base score of 8.5, indicating significant confidentiality and integrity impacts. Oracle has addressed this vulnerability in its September 2026 Critical Security Patch Update, which includes patches for affected versions. Customers are strongly advised to apply the available patches promptly to mitigate the risk.

CVSS v3.1

Score 8.5high

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

Affected software

Oracle Corporation

Oracle WebCenter Portal

Affected versions
=12.2.1.4.0=14.1.2.0.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 22:38:20 UTC

Technical Analysis

This vulnerability exists in the Security Framework component of Oracle WebCenter Portal, affecting versions 12.2.1.4.0 and 14.1.2.0.0. It is easily exploitable by an attacker with low privileges who has network access via HTTP. Exploitation can lead to unauthorized access to all data accessible through Oracle WebCenter Portal and unauthorized modification (update, insert, delete) of some data. The vulnerability also has a scope change impact, potentially affecting additional Oracle products. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N, reflecting network attack vector, low attack complexity, low privileges required, no user interaction, scope change, high confidentiality impact, low integrity impact, and no availability impact. Oracle has released a Critical Security Patch Update in September 2026 that includes fixes for this vulnerability.

Potential Impact

Successful exploitation can result in unauthorized access to critical data within Oracle WebCenter Portal and unauthorized modification of some data. The vulnerability affects confidentiality and integrity but does not impact availability. Due to scope change, other Oracle products integrated with or dependent on WebCenter Portal may also be impacted.

Mitigation Recommendations

Oracle has released patches for this vulnerability as part of the September 2026 Critical Security Patch Update. Customers should apply these patches without delay to remediate the vulnerability. Oracle strongly recommends staying on actively supported versions and promptly applying security patches to prevent exploitation. Patch availability and installation instructions are provided in the Oracle advisory at https://www.oracle.com/security-alerts/cspusep2026.html.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.335Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a80e55bf5e2cf5537c83

Added to database: 09/15/2026, 20:18:22 UTC

Last enriched: 09/15/2026, 22:38:20 UTC

Last updated: 09/16/2026, 00:54:20 UTC

Views: 3

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses