CVE-2026-83074 Auth bypass in Siebel CRM Cloud Applications

High 8.6 Published 15 Sep 2026 Updated 16 Sep 2026

Unauthenticated attackers can bypass authentication via SSH to access all Siebel CRM Cloud Applications data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-83074?

CVE-2026-83074 is a high-severity authentication bypass vulnerability in Oracle Siebel Crm, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via SSH to compromise Siebel CRM Cloud Applications. While the vulnerability is in Siebel CRM Cloud Applications, 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 Cloud Applications accessible data. CVSS 3.1 Base Score 8.6 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).

Weakness: CWE-284

Which versions are affected by CVE-2026-83074?

It affects 1 product.

Products include Oracle Siebel Crm.

How do I fix CVE-2026-83074?

No fix has been published for CVE-2026-83074 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-83074 being exploited?

There is no known exploitation of CVE-2026-83074 in the wild and no public exploit code.

All Oracle Siebel Crm vulnerabilities

Sources

Also known as GHSA-pmx9-c3r4-q485.