---
id: "CVE-2026-91360"
kind: "vulnerability"
aliases: ["CVE-2026-91360"]
title: "Oracle Siebel CRM Cloud: low-privileged user can read critical data"
severity: "medium"
cvss: 6.5
epss: 0.0027
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["crm", "oracle", "siebel", "vendor"]
not_affected_if: ["no-siebel-cloud"]
published_at: "2026-10-20T22:20:38+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-2026-91360", "first_seen_at": "2026-10-23T21:57:26+00:00"}, {"source": "epss", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-91360", "first_seen_at": "2026-10-25T12:38:52+00:00"}]
---

# Oracle Siebel CRM Cloud: low-privileged user can read critical data

Oracle Siebel CRM Cloud Applications versions 22.3 through 26.9 contain a flaw in the Siebel Cloud Manager component. A low-privileged attacker with network access over HTTP can gain unauthorized access to critical data or to all data the Siebel CRM Cloud Applications can reach.

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

## Timeline

- 2026-10-23T21:57:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-91360
- 2026-10-25T12:38:52+00:00 epss https://api.first.org/data/v1/epss?cve=CVE-2026-91360

## 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 network access via HTTP to compromise Siebel CRM Cloud Applications.  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:N/AC:L/PR:L/UI:N/S:U/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_