CVE-2026-83191 Privilege escalation in Siebel CRM Deployment
An unauthenticated attacker can compromise Siebel CRM Deployment via network access, leading to full system takeover.
- 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-2026-83191?
CVE-2026-83191 is a high-severity vulnerability in Oracle Corporation Siebel CRM Deployment, 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 Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).
Weakness: CWE-269
Which versions are affected by CVE-2026-83191?
How do I fix CVE-2026-83191?
No fix has been published for CVE-2026-83191 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-83191 being exploited?
There is no known exploitation of CVE-2026-83191 in the wild and no public exploit code.
Sources
Also known as GHSA-7h72-rrr7-mqjv.