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9.9

Oracle Siebel CRM Open Integration HTTP Takeover

CVE-2026-62588 · published 16 days ago
Summary

Oracle Siebel CRM versions 25.12 to 26.6 have a security flaw that allows an attacker with network access to take control of the integration product. This could impact other connected products, so it's essential to update to a fixed version to prevent unauthorized access. Oracle should be contacted for the latest patch and instructions on how to apply it.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oracle corporation siebel crm integration <= 26.6
oracle siebel_crm >= 25.12, <= 26.6
cpe:2.3:a:oracle:siebel_crm:*:*:*:*:*:*:*:*
Original advisory text
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows...
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Open Integration). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Integration. While the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Siebel CRM Integration. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
References
Severity
9.9 Critical
CVSS 3.1: 9.9 (MITRE)
Exploitation
EPSS <1%
Type
CWE-284Improper Access Control
Timeline
Published18 Aug 2026
Updated3 Sep 2026
First seen18 Aug 2026
Sources
CVE-2026-62588 · NVD
CVE-2026-62588 · MITRE
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