CVE-2026-83154CWE-287CWE-306

CVE-2026-83154

Critical · published September 16, 2026

CVSS v3.1
9.1
EPSS
0%
Percentile
35.7
In the wild
Unconfirmed
What it is

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via SOAP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM End User accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM End User accessible data. CVSS 3.1 Base Score 9.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00425 · 35.7th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2026-09-16T00:18Z
Affected products (1)
ProductVersionsFixed in
oracle/siebel_crm≥ 17.0, ≤ 26.7—
References (1)
https://www.oracle.com/security-alerts/cspusep2026.html · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 15 SEP 20:03Z
    Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI)
    cvelistv5