CVE-2026-91424 — MEDIUM (6.4)

Vulnerability Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment as well as unauthorized update, insert or delete access to some of Siebel CRM Deployment accessible data and unauthorized read access to a subset of Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 6.4 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H).

CVSS Score

6.4

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

HIGH

Related Weaknesses (CWE)

CWE-284

References

https://www.oracle.com/security-alerts/cpuoct2026.html

FAQ

What is CVE-2026-91424?

CVE-2026-91424 is a vulnerability with a CVSS score of 6.4 (MEDIUM). Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allo...

How severe is CVE-2026-91424?

CVE-2026-91424 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91424?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.