What is CVE-2026-46921?

CVE-2026-46921 is a high-severity vulnerability in Oracle Siebel Cloud Manager, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-06-17.

How severe is CVE-2026-46921?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Oracle Siebel Cloud Manager

CVE-2026-46921

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 17.0-26.5. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in takeover of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Vulnerability class: Privilege Escalation

EPSS: 0.004 (33.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Oracle Siebel_cloud_manager
Oracle Siebel_crm
Oracle Corporation Siebel Crm Cloud Applications — versions 17.0

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-46921?: CVE-2026-46921 is a high-severity vulnerability in Oracle Siebel Cloud Manager, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-06-17.
How severe is CVE-2026-46921?: High severity. CVSS v3 base score is 8.8 out of 10.