What is CVE-2026-47018?

CVE-2026-47018 is a high-severity vulnerability in Oracle Siebel Crm, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-07-21.

How severe is CVE-2026-47018?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Oracle Siebel Crm

CVE-2026-47018

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.5. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Oracle Siebel_crm
Oracle Corporation Siebel Crm Cloud Applications — versions 22.3

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

secalert_us@oracle.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-47018?: CVE-2026-47018 is a high-severity vulnerability in Oracle Siebel Crm, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-07-21.
How severe is CVE-2026-47018?: High severity. CVSS v3 base score is 7.5 out of 10.