Low severity · published Oct 20, 2026
CVE-2026-91392
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI)
3.7
CVSS
0.2%
EPSS
No
On KEV
Description
Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel CRM End User accessible data. CVSS 3.1 Base Score 3.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SC
Siebel CRM End User · Oracle Corporation
17.0 through 26.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91392
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91392
www.oracle.com
https://www.oracle.com/security-alerts/cpuoct2026.html
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