What is the CVSS score of CVE-2026-83154?

CVE-2026-83154 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Which versions of Oracle are affected by CVE-2026-83154?

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Oracle CVE-2026-83154

EUVD-2026-79481 CRITICAL

Improper Authentication (CWE-287)

2026-09-15 secalert_us@oracle.com

GHSA-mmxx-5x9f-vqch

Authentication Bypass Oracle

9.1

CVSS 3.1 · Vendor: oracle

Severity by source

Vendor (oracle) PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from Vendor (oracle) · only source for this CVE.

CVSS VectorVendor: oracle

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Sep 15, 2026 - 21:38 vuln.today

CVE Published

Sep 15, 2026 - 20:18 nvd

CRITICAL 9.1

DescriptionCVE.org

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).