Vulnerability · Published Oct 20, 2026 · Assigned by oracle

CVE-2026-91413

Medium 6.0

In plain English

A medium-severity improper access control in Siebel CRM Development from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)6.0Medium

Exploit odds (30 days)0.3%top 73.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Integration - Scripting). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows high privileged attacker with network access via CORBA to compromise Siebel CRM Development. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Development as well as unauthorized update, insert or delete access to some of Siebel CRM Development accessible data and unauthorized read access to a subset of Siebel CRM Development accessible data. CVSS 3.1 Base Score 6.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	Siebel CRM Development	17.0 – through 26.9

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H

References

Oracle Advisory vendor-advisory