Live › vulnerability › CVE-2026-91366
Go to dashboardOracle Siebel CRM Cloud Applications, via the Siebel Cloud Manager component, has a flaw that lets an unauthenticated attacker on the physical network segment of the hardware alter or delete some accessible data and read a subset of it. The attack is hard to carry out and needs adjacent network access rather than internet access.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Affects Siebel CRM Cloud Applications versions 22.3 through 26.9 as stated in the advisory. Exposure depends on whether an attacker can reach the physical or adjacent network segment where the hardware runs, which is unlikely for hosted deployments. Teams using only the vendor-managed cloud service can likely skip it, but the sources do not say which deployments are in scope.
No product ranges from the sources yet.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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).
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