CVE-2026-83087: Oracle Siebel CRM unauthorized data access in Cloud Manager

CVE-2026-83087 · Severity: high · CVSS 8.2 · Published 2026-09-15

Oracle Siebel CRM Cloud Manager is a system used to manage Siebel customer relationship management deployments in the cloud. A vulnerability in this component allows low-privileged authenticated users with network access to gain unauthorized read, create, modify, or delete access to sensitive business data stored in Siebel CRM systems. Successful exploitation could compromise confidentiality and integrity of critical customer information and CRM records across affected deployments.

Technologies: Oracle Siebel CRM Cloud Applications. Vendors: Oracle.

Quick answers

Is CVE-2026-83087 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-83087 being exploited in the wild.
How severe is CVE-2026-83087?
High severity, with a CVSS score of 8.2, published 15 September 2026.
Which products and versions are affected?
Oracle Siebel CRM Cloud Applications 22.3–26.7.
Is there a fix for CVE-2026-83087?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-83087 attacked?
It is attacked over the network.
Am I affected by CVE-2026-83087?
Check whether you run Oracle Siebel CRM Cloud Applications at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is a difficult-to-exploit access control flaw in the Siebel Cloud Manager component of Oracle Siebel CRM Cloud Applications (versions 22.3–26.7) that requires network access via HTTP and a low-privileged account. An authenticated attacker can bypass authorization controls to read, create, modify, or delete critical data in Siebel CRM Cloud Applications and potentially impact other connected products due to scope change. The vulnerability results in high confidentiality and integrity impact without affecting availability (CVSS 3.1 score: 8.2). Patches are available from Oracle as of the published date.

Affected products

  • Oracle Siebel CRM Cloud Applications 22.3–26.7

Timeline

  • 2026-09-15: disclosed

References

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