CVE-2026-83086

High

Description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

SeverityHigh

CVSS8.8

Exploit probability—

ProductSiebel CRM Cloud Applications

PublishedSep 15, 2026

First seenSep 15, 2026

Weakness typeCWE-284Improper access control

How to fix

Vendor advisories

oracle.com/security-alerts/cspusep2026.html

Affected products

Product	Affected versions	Fixed in
Oracle Corporation Siebel CRM Cloud Applications	22.3 ≤ v ≤ 26.7	—

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