CVE-2026-91588
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Oracle Business Intelligence Enterprise Edition Data Integrity Flaw

Publication date: 2026-10-20

Last updated on: 2026-10-26

Assigner: Oracle

Description
Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Analytics (component: BI Search). Supported versions that are affected are 8.2.0.0.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Business Intelligence Enterprise Edition accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N).

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Meta Information

Published
2026-10-20
Last Modified
2026-10-26
Generated
2026-11-10
AI Q&A
2026-10-21
EPSS Evaluated
2026-11-08
NVD
CVE-2026-91588
EUVD
EUVD-2026-106794

Affected Vendors & Products

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-345 The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

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Executive Summary

This is a vulnerability in Oracle Business Intelligence Enterprise Edition (versions 8.2.0.0.0 and 12.2.1.4.0) that allows an unauthenticated attacker to potentially modify or delete critical data via HTTP network access. The attack requires human interaction from someone other than the attacker.

Detection Guidance

Detection requires checking for Oracle Business Intelligence Enterprise Edition versions 8.2.0.0.0 or 12.2.1.4.0. Inspect installed software versions and network services for BI Search component exposure. No specific commands are provided in the context.

Impact Analysis

If exploited, this vulnerability could lead to unauthorized changes or deletion of sensitive data within Oracle Business Intelligence Enterprise Edition, potentially causing data loss or integrity issues for affected systems.

Compliance Impact

This vulnerability could impact compliance by allowing unauthorized data modifications or deletions, which may violate integrity requirements in standards like GDPR or HIPAA. Unauthorized changes to critical data could lead to non-compliance penalties.

Mitigation Strategies

Apply Oracle's official security patches for affected versions. Disable or restrict HTTP access to the BI Search component if possible. Monitor Oracle's security advisories for updates and follow their recommended mitigation steps.

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