CVE-2026-83308

Deferred Deferred - Pending Action

Oracle BI Publisher Unauthorized Data Modification and DoS

Publication date: 2026-09-15

Last updated on: 2026-09-22

Assigner: Oracle

Description

Vulnerability in the Oracle BI Publisher product of Oracle Analytics (component: BI Platform Security). Supported versions that are affected are 8.2.0.0.0, 12.2.1.4.0 and 26.01.0.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via SOAP to compromise Oracle BI Publisher. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle BI Publisher accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle BI Publisher. CVSS 3.1 Base Score 8.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-22

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83308

EUVD

EUVD-2026-79660

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	bi_publisher	8.2.0.0.0
oracle	bi_publisher	12.2.1.4.0
oracle	bi_publisher	26.01.0.0.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle BI Publisher, part of Oracle Analytics. It allows a low-privileged attacker with network access to exploit it via SOAP. The flaw enables unauthorized creation, deletion, or modification of critical data, or all accessible data, and can cause repeated crashes or complete denial of service (DOS) for the system.

Detection Guidance

Detection of CVE-2026-83308 requires checking for vulnerable versions of Oracle BI Publisher (8.2.0.0.0, 12.2.1.4.0, or 26.01.0.0.0). Inspect installed software versions and network services exposing SOAP endpoints. Monitor for unauthorized data modifications or service disruptions.

Impact Analysis

If exploited, this vulnerability could lead to unauthorized access and manipulation of sensitive data within Oracle BI Publisher. It may also cause system instability, resulting in crashes or downtime, disrupting normal operations.

Compliance Impact

This vulnerability allows unauthorized modification or deletion of critical data and can cause denial of service, which may violate compliance requirements for data integrity and availability under standards like GDPR and HIPAA.

Mitigation Strategies

Apply the latest security patches from Oracle for affected versions of BI Publisher (8.2.0.0.0, 12.2.1.4.0, 26.01.0.0.0). Restrict network access to the SOAP interface to trusted sources only. Monitor for unauthorized data modifications or service disruptions.

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