Vulnerability · Published Sep 15, 2026 · Assigned by oracle

CVE-2026-83220

High 8.1

In plain English

A high-severity improper access control in Siebel CRM Integration from Oracle Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.3%top 81.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and Subscribe). Supported versions that are affected are 23.6-26.7. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Integration executes to compromise Siebel CRM Integration. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Integration accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Integration accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

Affected products (as reported)

Vendor	Product	Versions
Oracle Corporation	Siebel CRM Integration	23.6 – through 26.7

Weakness: CWE-284 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

References

Oracle Advisory vendor-advisory