---
id: "CVE-2026-101453"
kind: "vulnerability"
aliases: ["CVE-2026-101453"]
title: "Oracle Siebel CRM Deployment: local high-privilege user can take over server"
severity: "medium"
cvss: 6.7
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["oracle", "self-hosted", "siebel-crm", "vendor"]
not_affected_if: ["not-siebel-crm"]
published_at: "2026-10-20T22:17:53+00:00"
first_seen_at: "2026-10-23T21:57:21+00:00"
updated_at: "2026-10-25T03:46:41+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-101453", "first_seen_at": "2026-10-23T21:57:21+00:00"}]
---

# Oracle Siebel CRM Deployment: local high-privilege user can take over server

Oracle Siebel CRM Deployment, in the Server Infrastructure component, has a flaw that lets a user with high privileges on the host take over the Siebel deployment. The sources rate it CVSS 6.7 with local access, high privileges and no user interaction.

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

## How to check

- unknown

## Fix

- unknown

## Timeline

- 2026-10-23T21:57:21+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-101453

## From the sources

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure).  Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Siebel CRM Deployment executes to compromise Siebel CRM Deployment.  Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

---

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