---
id: "CVE-2026-87338"
kind: "vulnerability"
aliases: ["CVE-2026-87338"]
title: "Oracle Siebel CRM Integration EAI: unauthenticated HTTP flaw exposes CRM data"
severity: "medium"
cvss: 6.9
epss: null
exploited: false
status: "open"
category: "vendor"
products: []
ecosystems: []
tags: ["enterprise", "http", "oracle", "siebel-crm", "vendor"]
not_affected_if: ["no-http-exposure", "unaffected-version"]
published_at: "2026-10-20T22:20:11+00:00"
first_seen_at: "2026-10-23T21:57:25+00:00"
updated_at: "2026-10-25T03:40:21+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-87338", "first_seen_at": "2026-10-23T21:57:25+00:00"}]
---

# Oracle Siebel CRM Integration EAI: unauthenticated HTTP flaw exposes CRM data

Oracle Siebel CRM Integration's EAI component has a flaw reachable over HTTP without a login, rated CVSS 6.9 medium. An attacker who gets a victim to take an action can read critical CRM data and make limited changes to records, and can affect other products.

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

## How to check

- Check the installed Siebel CRM version against the affected range 17.0-26.9 in the Oracle advisory
- Confirm whether the EAI component is deployed and reachable over HTTP from untrusted networks
- unknown for other checks, as the sources do not say

## Fix

- Apply the Oracle Siebel CRM security patch for the affected release line (version number unknown from the sources)
- unknown for other mitigations, as the sources do not say

## Timeline

- 2026-10-23T21:57:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-87338

## From the sources

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: EAI).  Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Integration.  Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel CRM Integration, 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 Integration accessible data as well as  unauthorized update, insert or delete access to some of Siebel CRM Integration accessible data. CVSS 3.1 Base Score 6.9 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N).

---

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