Oracle Siebel CRM End User up to 26.3 Redwood UI denial of service

Summaryinfo

A vulnerability classified as problematic has been found in Oracle Siebel CRM End User up to 26.3. This affects an unknown function of the component Redwood UI. The manipulation leads to denial of service. This vulnerability is documented as CVE-2026-47032. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Oracle Siebel CRM End User up to 26.3 and classified as problematic. This issue affects some unknown processing of the component Redwood UI. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Redwood UI). Supported versions that are affected are 24.4-26.3. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM End User, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Siebel CRM End User. CVSS 3.1 Base Score 2.6 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:N/A:L).

It is possible to read the advisory at oracle.com. The identification of this vulnerability is CVE-2026-47032 since 05/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/22/2026). The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Customer Relationship Management System

Vendor

• Oracle

Name

• Siebel CRM End User

Version

• 26.0
• 26.1
• 26.2
• 26.3

License

• commercial

Website

• Vendor: https://www.oracle.com

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