Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).

published 2026-10-20 20d ago modified 2026-11-05 4d ago also EUVD-2026-105856

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N).

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 4d ago (2026-11-05)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected products

Oracle Corporation Siebel CRM Cloud Applications

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

oracle.com /security-alerts/cpuoct2026.html
vendor-advisory

Sources

CVE List CVE-2026-101440
NVD CVE-2026-101440

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