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CVE-2026-83305: Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle BI Publisher accessible data as well as unauthorized update, insert or delete access to some of Oracle BI Publisher accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle BI Publis

0
High
VulnerabilityCVE-2026-83305cvecve-2026-83305
Published: 09/15/2026 (09/15/2026, 20:04:53 UTC)
Source: CVE Database V5
Vendor/Project: Oracle Corporation
Product: Oracle BI Publisher

Description

CVE-2026-83305 is a high-severity vulnerability in Oracle BI Publisher that allows an unauthenticated attacker with network access via HTTP to compromise the system. Exploitation can lead to unauthorized access to critical or all accessible data, unauthorized modification of some data, and partial denial of service. The affected versions are 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0. Oracle has released a Critical Security Patch Update addressing this and many other vulnerabilities. Customers are strongly advised to apply the available patches promptly.

CVSS v3.1

Score 8.6high

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

Affected software

Oracle Corporation

Oracle BI Publisher

Affected versions
=8.2.0.0.0=12.2.1.4.0=26.01.0.0.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/15/2026, 23:01:00 UTC

Technical Analysis

This vulnerability affects Oracle BI Publisher in versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0. It allows an unauthenticated attacker with network access via HTTP to compromise the product, resulting in unauthorized access to critical or all accessible data, unauthorized update, insert, or delete operations on some data, and the ability to cause a partial denial of service. The CVSS 3.1 base score is 8.6, indicating high severity with impacts on confidentiality (high), integrity (low), and availability (low). Oracle's September 2026 Critical Security Patch Update includes fixes for this vulnerability among 673 security patches across multiple products. Oracle strongly recommends applying these patches without delay to mitigate exploitation risks.

Potential Impact

Successful exploitation can lead to unauthorized access to critical or all Oracle BI Publisher accessible data, unauthorized modification (update, insert, delete) of some data, and partial denial of service conditions. This compromises confidentiality, integrity, and availability of the affected system.

Mitigation Recommendations

Oracle has released a Critical Security Patch Update in September 2026 that addresses this vulnerability. Customers should apply the relevant patches for Oracle BI Publisher versions 8.2.0.0.0, 12.2.1.4.0, and 26.01.0.0.0 promptly. Oracle strongly recommends remaining on actively supported versions and applying security patches without delay to prevent exploitation.

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Technical Details

Data Version
5.2
Assigner Short Name
oracle
Date Reserved
2026-08-31T15:40:57.352Z
Cvss Version
3.1
State
PUBLISHED
Vendor Advisory Urls
[{"url":"https://www.oracle.com/security-alerts/cspusep2026.html","vendor":"Oracle"}]

Threat ID: 6aa9a83c55bf5e2cf5538154

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

Last enriched: 09/15/2026, 23:01:00 UTC

Last updated: 09/16/2026, 02:11:39 UTC

Views: 5

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