---
id: "CVE-2026-91367"
kind: "vulnerability"
aliases: ["CVE-2026-91367"]
title: "Oracle Siebel CRM Cloud: low-privilege infrastructure logon exposes critical data"
severity: "medium"
cvss: 6.5
epss: 0.00133
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["cloud", "oracle", "siebel-crm", "vendor"]
not_affected_if: []
published_at: "2026-10-20T22:20:39+00:00"
first_seen_at: "2026-10-23T21:57:26+00:00"
updated_at: "2026-10-25T12:38:52+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91367", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91367", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle Siebel CRM Cloud: low-privilege infrastructure logon exposes critical data

Oracle Siebel CRM Cloud Applications, component Siebel Cloud Manager, has a flaw in versions 22.3 through 26.9. An attacker with a low-privilege logon to the infrastructure where the application runs can gain unauthorized access to critical data in the application.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- unknown

## Fix

- unknown

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91367
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91367

## From the sources

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. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where 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 access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_