What is CVE-2026-47036?

CVE-2026-47036 is a critical-severity vulnerability in Oracle Siebel Crm, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-07-21.

How severe is CVE-2026-47036?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Oracle Siebel Crm

CVE-2026-47036

Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Siebel Approval Manager). Supported versions that are affected are 17.0-26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Development. Successful attacks of this vulnerability can result in takeover of Siebel CRM Development. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Vulnerability class: Broken Authentication

EPSS: 0.005 (41.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oracle Siebel_crm
Oracle Corporation Siebel Crm Development — versions 17.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2026-47036?: CVE-2026-47036 is a critical-severity vulnerability in Oracle Siebel Crm, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-07-21.
How severe is CVE-2026-47036?: Critical severity. CVSS v3 base score is 9.8 out of 10.