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HIGH

CVE-2026-83191

CVSS v3

8.1

HIGH

EPSS Score

0.4 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:

Technical details

Published
2026-09-15
Last Modified
2026-09-17

Frequently asked questions

What is CVE-2026-83191?

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:

Is CVE-2026-83191 actively exploited?

Active exploitation of CVE-2026-83191 has not been confirmed. Its EPSS score was 0.4% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-83191?

CVE-2026-83191 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2026-83191 affecting your environment?

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