---
title: "CVE-2026-101438: Oracle Siebel CRM Cloud Applications - Broken Access Control"
description: "Oracle Siebel CRM Cloud Applications 22.3-26.9 contains an unauthorized data access vulnerability caused by insufficient protection of the physical communication segment in Siebel Cloud Manager, letting unauthenticated attackers with physical network access create, delete, or modify critical data, exploit requires physical access to the communication segment."
url: https://panop.io/threat-heartbeat/CVE-2026-101438/
---

# CVE-2026-101438 Oracle Siebel CRM Cloud Applications - Broken Access Control

Oracle Siebel CRM Cloud Applications 22.3-26.9 contains an unauthorized data access vulnerability caused by insufficient protection of the physical communication segment in Siebel Cloud Manager, letting unauthenticated attackers with physical network access create, delete, or modify critical data, exploit requires physical access to the communication segment.

CVSS base score 8.0 /10

High

CISA KEV

Not listed

Public exploit

None known

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-101438)

## Details

Type

Broken Access Control

Impact

Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Published

20 October 2026

Updated

21 October 2026

## Vendor fix

Update to the latest available version beyond 26.9.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-101438](https://nvd.nist.gov/vuln/detail/CVE-2026-101438)
- [https://www.oracle.com/security-alerts/cpuoct2026.html](https://www.oracle.com/security-alerts/cpuoct2026.html)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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