Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing).

published 2026-10-20 19 d ago modified 2026-11-05 3 d ago also EUVD-2026-105807

cvss: 6.1; 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 17%
public exploits: 0; none known

Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel Apps - Marketing. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Apps - Marketing, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Siebel Apps - Marketing accessible data as well as unauthorized read access to a subset of Siebel Apps - Marketing accessible data. CVSS 3.1 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 d ago (2026-10-21)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Oracle Corporation Siebel Apps - Marketing

Classification

Weakness

CWE-284 Improper Access Control

References

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

Sources

CVE List CVE-2026-101391
NVD CVE-2026-101391

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Summary