CVE WatchOct 23, 2026

CVE-2026-91420

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are aff

CVSS

6.5

Medium

EPSS

0.2%

p13

KEV

—

Exploit Today

0-100

Published: Oct 20, 2026 · Last modified: Oct 23, 2026 · CWE-284

EPSS · 30d

0.2%EPSS · 30 days0.3%

2026-10-212026-10-25

Technical description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).

Official references

www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2026.html

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