CVE-2026-91366 Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager).
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-91366?
CVE-2026-91366 is a medium-severity vulnerability in Oracle Corporation Siebel CRM Cloud Applications, published on 20 Oct 2026.
Official description
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. While the vulnerability is in Siebel CRM Cloud Applications, 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 CRM Cloud Applications accessible data as well as unauthorized read access to a subset of Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 4.7 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N).
Weakness: CWE-284
Which versions are affected by CVE-2026-91366?
How do I fix CVE-2026-91366?
No fix has been published for CVE-2026-91366 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-91366 being exploited?
There is no known exploitation of CVE-2026-91366 in the wild and no public exploit code.
Sources
Also known as GHSA-m883-6g74-8f6j.