CVE-2026-101403: oracle corporation siebel apps - marketing URL Redirection to Untrusted Site

Vulnerability summary

CVE-2026-101403 is a medium (CVSS 5.9) URL Redirection to Untrusted Site vulnerability in oracle corporation siebel apps - marketing. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.8% of scored vulnerabilities.

Timeline

1. 20-10-2026
   PublishedVulnerability first disclosed.
2. 23-10-2026
   Last modifiedVulnerability information updated.

Description

Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Email Marketing). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Marketing. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel Apps - Marketing accessible data as well as unauthorized update, insert or delete access to some of Siebel Apps - Marketing accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N).

• CWE-601URL Redirection to Untrusted SiteThe web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.