Oracle Siebel CRM 17.0-26.6 Migration: Unauth HTTP Exploit
CVE-2026-70856 Published on August 18, 2026
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).
Vulnerability Analysis
CVE-2026-70856 is exploitable with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-70856 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2026-70856
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Affected Versions
Oracle Corporation Siebel CRM Deployment:- Version 17.0, <= 26.6 is affected.