CVE-2026-70856: High severity Oracle Siebel CRM Deployment vulnerability
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Migration). Supported versions that are affected are 17.0-26.6. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Oracle Siebel CRM (component: Migration)to a version that resolves this vulnerability.Fixed in 17.0-26.6
Event History
Frequently Asked Questions
Which deployments should be prioritized for assessment?
Oracle Siebel CRM Deployment instances using the Migration component on supported versions 17.0 through 26.6 are affected. Exposure requires network access to the instance via HTTP.
Does exploitation require an authenticated Siebel CRM user account?
No. The vulnerability can be exploited by an unauthenticated attacker, but exploitation also requires human interaction by someone other than the attacker and is rated high complexity.
What is the potential impact of a successful attack?
A successful attack can result in takeover of Siebel CRM Deployment, with high confidentiality, integrity, and availability impact.